GPT-5.1-Codex Max

Introducing GPT-5.1-Codex Max in three reasoning tiers (Low, Medium, High). Low variant available at no cost to paid users for a limited time.

Claude Opus 4.5

You can now use Claude Opus 4.5 in Windsurf!

Opus 4.5 is the most capable model in Windsurf yet and is now available at Sonnet pricing for a limited time (2x credits compared to 20x for Opus 4.1).

This model is available to all paid Windsurf subscribers.

AI Models

Gemini 3 Pro

• You can now use Gemini 3 Pro (Low and High) in Windsurf! This is a preview release that is available to paid Trial, Pro, and Teams subscribers and will soon be extended to Enterprise users as well.
• Resolved an issue where Gemini 3 Pro caused internal Cascade errors for some users.

SWE-1.5

• Fixed notebook tool functionality for SWE-1.5.
• Addressed an issue where SWE-1.5 would unexpectedly stop or return "No response requested".

Sonnet 4.5

• Added support for Sonnet 4.5 with a 1M token context window.
• Reduced the frequency of unnecessary Markdown file creation by Sonnet 4.5.

GPT-5.1 Codex and Codex Mini

• Added support for GPT-5.1 Codex and Codex Mini with low reasoning effort configuration.

Features & Tools

Codemaps

• Improved reliability of saving and retrieving Codemaps.
• Fixed Codemap sorting and increased the limit of visible open Codemaps.
• Resolved issues with mentioning Codemaps in Cascade.

MCP Servers

• Fixed scope handling and OAuth authentication flows for various MCP servers.
• Resolved issues preventing installation of new MCP servers.
• Added support for handling embedded resource content in tool call responses.

Tab Completion

• Improved latency, responsiveness, and accuracy of autocomplete.

Vibe and Replace

• Fixed reliability issues with Vibe and Replace.

Fast Context

• Added support for .codeiumignore and .gitignore for Fast Context.

General Improvements

• Fixed various UI alignment issues with icons and styles.
• General performance and stability improvements.
• Fixed issues with the file search tool.

Worktree Preview

You can now use Windsurf's AI agent with worktrees to explore and modify code across multiple branches simultaneously.

MCP Server Improvements

• Fixes issues with scopes and OAuth authentication flows for multiple MCP servers

Tab Completion

• Improved latency, responsiveness, and accuracy of autocomplete.

Context Window Indicator Beta

• Context window indicator now shows the current context window used by the Cascade AI agent.

GPT-5.1 Priority Mode

• Added priority processing support for GPT-5.1 models, providing guaranteed low-latency responses for faster (~50 tokens/sec), more reliable AI assistance.
• Priority processing costs 2x the standard rate, which will be reflected in the Windsurf credit system.

Patch Fixes and Improvements

• Fixed tool call calling issues for GPT-5.1-Codex and GPT-5.1-Codex Mini models

GPT-5.1 and GPT-5.1-Codex

GPT-5.1 and GPT-5.1-Codex are now available in Windsurf. GPT-5.1 will become the default model in Windsurf for one week, and paid users get free access during this period.

GPT-5.1 and GPT-5.1-Codex deliver a solid upgrade from GPT-5 for agentic coding workflows. They're noticeably better at understanding what you're asking for and working with you to get it done. The new variable thinking feature dynamically adjusts reasoning depth—providing quick responses for simple tasks and more thoughtful analysis when complexity demands it.

Patch Fixes and Improvements

Removed Features

• Knowledge Base: Removed the Knowledge Base feature

Bug Fixes

• PowerShell + Turbo Mode: Fixed an issue where PowerShell was not running commands when Turbo Mode is enabled

Shortcuts

• Attach current file to Cascade: New shortcut Option/Alt+Cmd+L when in an editor to attach the current file to Cascade

Features

MCP Improvements

• Loading state indicators: Show loading state per installed MCP to improve visibility during initialization
• Refresh only edited MCPs: When mcp_config.json is modified, only the affected MCP server instance is initialized/refreshed - no other instances are refreshed
• Increased initialization timeout: MCP initialization timeout increased to 60s
• Refresh button for error states: Show refresh button for MCPs in error state to allow manual recovery

Cascade Hooks

• Enterprise feature: New Cascade Hooks feature available
• Public documentation: Draft documentation with details and descriptions of hooks available in Windsurf Docs

Bug Fixes

• Vim extension typing lag: Fixed bug causing typing lag when Vim extension is enabled

SWE 1.5 Image Support

• Image understanding: Images are now supported in SWE 1.5, enabling visual content analysis

Features

Improvements to SWE-1.5 + Claude Sonnet 4.5 Mode

Enhanced the SWE-1.5 + Claude Sonnet 4.5 mode with improved performance and reliability for better coding assistance.

Features

Expanded Codemaps

Codemaps now include powerful new capabilities:

• Chat with map - Interact directly with your codebase visualizations
• Mermaid diagrams - Generate visual diagrams within maps for better code understanding
• Cascade suggestions - Get AI-powered suggestions directly in your maps
• Map option in chat/edit nudges - Easily create maps from chat and edit interactions
• Smart mode option - Enhanced intelligent assistance when working with maps

Cascade Summarization Fix

Improved Cascade summarization to better handle longer conversations. Previously, summaries could be too aggressive and drop important context. Now maintains better continuity across long sessions with multiple file changes and user messages.

Sonnet 4.5 Support for SWE 1.5 Planning

You can now enable beta Sonnet 4.5 planning when using SWE 1.5. To enable, select SWE 1.5 first, then select the Sonnet 4.5 addon.

MCP Enhancements

• Path component handling - Improved support for MCP URLs with path components (e.g., Smithery MCPs)
• OAuth flow improvements - Better OAuth flow for streamable HTTP MCPs (e.g., Canva, ServiceNow's internal MCP)

Bug fixes and improvements

Performance Improvements

• Sticky scroll lag fixes - Resolved lag spikes when using sticky scroll with Vim bindings
• General slowness fixes - Addressed performance issues caused by VSCode OSS update
• Terminal rendering optimization - Fixed rendering loop that caused 500ms+ delays on first terminal open

Terminal Fixes

• PowerShell improvements - Fixed Windows terminal integration issues where commands would appear stuck
• Shell theme compatibility - Resolved edge cases with custom shell themes (zsh, fish, powerlevel10k, etc.) that could cause Windsurf to break or show stuck commands

Editor Stability

• Terminal freeze fix - Fixed an issue where the editor would freeze when opening the terminal
• CMD+J fix - Resolved layout thrashing issue when opening terminal pane with CMD+J

Features

New beta plan mode (type /plan in the Cascade chat input to activate it).

Expanded Codemaps:

• Chat with map
• Mermaid diagrams in maps
• Cascade suggestions for maps
• Chat / edit nudge includes “map option”
• Smart mode option

Bug fixes and improvements

• Fixes for lag spikes when using sticky scroll
• Fixes for general slowness caused by VSCode OSS update
• Powershell fixes for Windows terminal integration / commands appearing stuck.
• Fixes for certain edge cases around shells with custom themes.
• Fixed an issue where the editor would freeze when opening the terminal

Falcon Alpha

You can now try a new stealth model in Windsurf: Falcon Alpha. Falcon Alpha is a powerful agentic model designed for speed. We're excited to hear what you build with it!

Patch Fixes and Improvements

• Various performance improvements and bug fixes.

Patch Fixes and Improvements

• Support and fixes for AGENTS.md
• Improvements and bug fixes for Codemaps.
• Improvements to Fast Context. Enterprises can opt in using the Windsurf Team Settings. Users can toggle Fast Context automatically using "CMD/Ctrl + Enter" on the first message in a chat.
• New auto-linting behavior that speeds up Cascade.
• Fix for MCP Marketplace not respecting team whitelist options.
• Fixes for Jupyter Notebook tool.
• Fixes for Memories, Rules, and Workflows.
• General bug fixes and improvements.
• Performance optimizations and stability enhancements.

Dependencies

• Updated Code OSS to version 1.105.0 (Electron: 37.6.0, Chromium: 138.0.7204.251)

Patch Fixes

• Bug fixes and improvements.

Patch Fixes

• Bug fixes and improvements.

Patch Fixes

• Bug fixes and improvements.

Patch Fixes

• Early preview of Windsurf's new Tab model.
• Bug fixes and improvements.

Patch Fixes

• Bug fixes and improvements.

Patch Fixes

• Fixes issues with the experimental Cascade tool for finding context not working properly.
• Improvements and bug fixes for the beta Codemaps feature.
• Improvements to the Lifeguard (Beta) feature.
• Fixes issue with custom MCP servers not being displayed correctly in the new MCP panel.
• Fixes issue where some bash commands would get stuck.
• Fixes issue where certain models couldn't create or edit Jupyter notebooks.
• General bug fixes and improvements.

Patch Fixes

• Various improvements to the experimental Cascade tool which searches and finds relevant files.

Experimental Cascade Tool

• Experimental Cascade tool to quickly search for files and find relevant context.

Lifeguard (Beta) Updates

• Try out Lifeguard by clicking the Lifeguard icon at the top right corner of your editor.

Patch Fixes

• Minor improvements and bug fixes.

Lifeguard

• Beta preview of lifeguard, a tool to help you find and resolve bugs inside your IDE.

Codemaps

• Beta preview of codemaps: open the codemaps pane to try it out!

Claude Sonnet 4.5

• Claude Sonnet 4.5 is now available

Patch Fixes

• Fix using MCP tools with certain models.
• Fixes to terminal issues on Windows.

Patch Fixes

• Fix to Cascade slowness issues

GPT-5-Codex is now in Windsurf!

GPT-5-Codex is now available for free (0x credits) for a limited time for paid users!

Free users can use GPT-5-Codex as well for 0.5x credits.

Patch Fixes

• Minor improvements and bug fixes

Cascade Improvements

• Queued messages in Cascade

Patch Fixes

• Various improvements and bug fixes

Patch Fixes

• Minor improvements and bug fixes

Patch Fixes

• Minor improvements and bug fixes

Patch Fixes

• Minor improvements and bug fixes

Patch Fixes

• Minor improvements and bug fixes

Improvements

• Early access to Wave 12 features.

Patch Fixes

• Performance fixes, especially relating to long chats

Patch Fixes

• Miscellaneous fixes

Patch fixes

• Miscellaneous fixes

Patch Fixes

• Based on the latest release of the Windsurf Editor, v1.11.1

Patch Fixes

• Based on the latest release of the Windsurf Editor, v1.11.0

Speak to Cascade

Voice

• Users can now speak into the chat rather than having to type things out.

@-mentioning conversations

• @-mention the first conversation so Cascade has full context of it as it goes to write tests for you.

Deeper Browser integration

• Chat with Cascade about tabs that are open in the Browser using @-mentions

JetBrains improvements

• Planning Mode, Workflows, and file-based Rules are now available for Cascade on JetBrains

Improvements

• Now you can @-mention terminal in Cascade.
• You can turn on the Auto-Continue setting to have Cascade automatically continue its response if it hits a limit.
• Support for more MCP servers with easier and more secure authentication by integrating the new Streamable HTTP transport (replaces SSE) and MCP authentication (replaces access tokens or API keys in the config).
• Important for enterprise customers who use Windsurf across lots of repos. Now, you can enforce ignore rules across all repositories by placing .codeiumignore in the ~/.codeium/ folder

Patch fixes

• Miscellaneous fixes

Cascade Improvements

• Improvements to Cascade reliability

Patch fixes

• Miscellaneous fixes

Patch fixes

• Miscellaneous fixes

Patch Fixes

• Fixes to default model selection for new users

Patch Fixes

• Based on the latest release of the Windsurf Editor, v1.10.5

Patch Fixes

• Based on the latest release of the Windsurf Editor, v1.10.4

Planning Mode

• Based on the latest release of the Windsurf Editor, v1.10.3

Planning Mode

• Based on the latest release of the Windsurf Editor, v1.10.1

Patch fixes

• Miscellaneous fixes

Updates

• Removal of legacy mode
• Icons in @-mentions
• Theme-aware codeblocks with refreshed design
• Native terminal in Cascade panel

Patch Fixes

• Based on the latest release of the Windsurf Editor, v1.9.4

BYOK (Anthropic Key)

• Based on the latest release of the Windsurf Editor, v1.9.2

SWE-1 Improvements

• Adds multi-modal (image) support to SWE-1

New Family of SWE-1 Models

• Based on the latest release of the Windsurf Editor, v1.9.0

Patch Fixes

• Fixes on Windows signing to prevent warnings from Windows Defender

Patch Fixes

Based on the latest release of the Windsurf Editor, v1.8.2

Teams Features

Based on the latest release of the Windsurf Editor, v1.8.0

Improvements

Some improvements to app icons, fixes to SSH server connection, and UI Polish for Cascade Plugins.

New Features

Cascade Plugin Panel

• New panel in Cascade for managing MCP Servers
• Easier one-click uninstall and install
• Easier search
• MCP now has MCP resources and multimodel responses
• More MCP Server options coming soon

Cascade Customization Panel

• Revamped Memories panel to include rules, workflows, and memories

Revamped rules

• Support for workspace-style rules in .windsurf/rules
• Custom triggers when to activate a rule

Workflows

• Support for quick instructions for Cascade to take on mini-tasks
• .windsurf/workflows houses workflows that Cascade can do in the current workspace
• Workflows can be found as slash commands (/) in the Cascade input

Cascade Improvements

• Conversation sharing with a teams-only accessible URL

Misc

• Redesigned Model Selector
• Continue button when reaching individual tool call limit
• Hunk accept/reject widget now has a compact mode to cover less code
• Tab respects files mentioned in codeiumignore

Patch Fixes

Based on the latest release of the Windsurf Editor, v1.7.3

New App Icon & Upgraded Free Tier

Based on the latest release of the Windsurf Editor, v1.7.2

Patch Fixes

• Updates IDE marketplace link by mirroring Open VSX

Experimental Improvements

• Bug fixes
• Performance optimizations
• VS Code 1.98.0 Updates

Updated and Simplified Pricing

• We're simplifying our pricing model by removing Flow Action Credits
• Change takes effect April 21st, 2025
• Plans now come with prompt credits with add-on credits available for purchase

User Prompt Credits

• Plans now come with prompt credits, which are consumed per every message sent and not via every tool call
• Add-on credits are available for purchase
• Auto-top off (with max limits) can be enabled via profile

Existing Plans

• Existing plans are migrating over to the new pricing model
• For more information, please visit the Pricing page

New o4-mini models available and Free (Limited Time)

• Windsurf now supports the o4-mini medium and o4-mini high models, which are free for all users
• Usage in Windsurf is free for a limited time from April 16th to April 21st

Patch Fixes

• Bug fixes and improvements around credit banners

New GPT 4.1 Model available and Free (Limited Time)

• Windsurf now supports the new GPT 4.1 model, which is free for all users
• Usage in Windsurf is free for a limited time from April 14th to April 21st

Improvements

• Cascade can now check the status of deploys
• Fixes to duplicated rules
• Commit Generation Fixes on Windows
• Fixes for Commit Generation through the command palette
• Cascade UI Fixes

Fixes

• Fixes to "Remote - WSL" extension
• Minor UX fixes

App Deploys from Windsurf Wave 6

• App Deploys are now available in Windsurf - Next

Bug Fixes and Improvements

• Fixed Cascade top menu button click opening file explorer on Windows
• Fixed occasional extra space inserted beneath Cascade input

Bug Fixes and Improvements

• Fixed sound on startup
• Fixed issues around adding rules
• Fixed generate project with Cascade entry point

April 1st Release

• Introduced Completion Sound for Cascade (Beta)
  • New setting to enable a sound when Cascade has finished generating (default off)
• Introduced Sound for Windsurf Tab (Beta)
  • New setting to enable a sound on tab completion (default off)

Updates

• UI fixes to Cascade
• Improvements to the no-internet state
• Commit message generation reliability and quality

Updates

• UI Fixes and updates
• Cascade icon returned in upper corner
• Improvements to terminal output rendering in Cascade

Improvements

• Enabled Cascade to wait for background commands to finish when querying command status.
• Auto-Generate Memories toggle in settings.
  • When enabled, Cascade will autonomously generate memories to remember important context.
  • When disabled, Cascade will only create memories when you explicitly ask.
• Bug fixes in SSH extension (when RemoteCommand was enabled)
• Redesigned the terminal tool step. Inputs can be sent to the terminal via "Open terminal".
• Underlined links are now clickable in Cascade and user messages.
• New conversation screen now has a new toolbar for tools like MCP and Preview.
• Cascade input is persisted across new conversation screen and an active conversation.
• Cascade now has a quick table of contents of all past user messages
  • New ability to revert or scroll to any past message
• Added support for custom SSH paths
• Add workspace search as context to Windsurf Tab
• Adds auto generate commit messages in Source Control Panel
• New Rules and Memories panel in Cascade
• Improvements to long conversation performance
• Two new app icons (for Mac)
• Support for SSE-based MCP

Patch fixes

• Bug/stability fixes
• Adds auto generate commit messages in Source Control Panel

Improvements

• Further improvements to the tab completions experience

Patch fixes

• Bug/stability fixes

Improvements

• More improvements to the tab completions experience
• Improvements to Cascade "start with history"

Improvements

• More improvements to the tab completions experience
• Completions can now use your clipboard for suggestions, must be enabled in settings

Improvements

• Improvements to the tab completions experience

Patch Fixes

• Improvements from Windsurf v1.4.4

Patch Fixes

• Builds off of Windsurf v1.4.3

Patch Fixes

• Fixes crashes due to permissions errors on Ubuntu 24.04

New operating system support

• Beta support for Windows ARM64

Patch Fixes

• Builds off of Windsurf v1.3.10

New Cascade Models

• Cascade now has a new premium model available: Claude 3.7 Sonnet
  • Takes 1.0 user prompt credits on every message and 1.0 flow action credits on each tool call
  • Support for Claude 3.7 Sonnet ships with Thinking, with a 1.5x multiplier on credit cost.

Fixes

• Improved Cascade Base
• New Configure MCP toolbar
• Bug Fixes and Improvements

Fixes

• Based on the latest release of the Windsurf Editor, v1.3.3
• Fixes for model selection on reload

Multiple Fixes

• Fixes for User-Defined Memories, Settings, MCP config
• Input toolbar now appears on empty conversation
• Opens the correct changelog

Separation from Windsurf - Stable

• Windsurf - Next will no longer share conversations, settings, or memories with Windsurf (Stable)
• This allows us to ship experimental features to Next without breaking Windsurf (Stable)
• A one time import is not available yet, but to be shipped in future releases
• You can copy the data manually by copying data from the .codeium/windsurf folder to the .codeium/windsurf-next folder

Fixes

• Fixes for Chat Model Gemini 2.0 Flash mistakingly being marked as Free

Windsurf - Next Launch

• Based on the latest release of the Windsurf Editor, v1.2.5

MCP Support

• Cascade now supports the new MCP protocol, allowing you to connect new tools
• Load your MCP servers through a user-configurable JSON file
• Every MCP tool call costs one flow action credit, regardless of the execution result

New Cascade Toolbar

• New Cascade toolbar that shows files with changes, active terminals, and MCP connection status