Catalog
37 models, one API key
Every model GitHub Copilot exposes through its chat endpoint, ordered by release date. The subset available to you depends on your Copilot subscription tier.
● Google · 4● Anthropic · 8● OpenAI · 23● xAI · 2
| Model | Provider | Released | Input | Output | Capabilities |
|---|---|---|---|---|---|
gemini-3.5-flash Gemini 3.5 Flash Coding quality close to Gemini Pro at Flash-tier speed and cost. Strong tool use, high cache efficiency, 14× premium multiplier on Copilot. Pro / Pro+ / Business / Enterprise. | Google Gemini 3.5 | May 2026 | 1M | 32K | ToolsStreamingVisionJSON modeReasoningTool choice |
claude-opus-4.7 Claude Opus 4.7 Anthropic's newest Opus. Long-horizon reasoning, multi-step tool execution, replaces 4.5/4.6 on Pro+. 15× premium multiplier (post-promo). | Anthropic Claude 4 | Apr 2026 | 192K | 128K | ToolsStreamingVisionReasoningTool choice |
gpt-5.5 GPT-5.5 OpenAI's newest flagship. Strongest reasoning + tool reliability in the GPT-5 line. Premium 7.5× multiplier on Copilot. Responses-API only. | OpenAI GPT-5 | Apr 2026 | 400K | 128K | ToolsStreamingVisionJSON modeReasoningTool choice |
claude-opus-4.6 Claude Opus 4.6 Prior flagship Opus. Being phased out on Pro+ in favour of 4.7, still listed for Business/Enterprise and the Claude coding agent. | Anthropic Claude 4 | Apr 2026 | 200K | 64K | ToolsStreamingVisionReasoningTool choice |
claude-opus-4.6-fast Claude Opus 4.6 (fast mode) Preview fast-mode variant of Opus 4.6. Lower latency at the cost of some reasoning depth. Preview only. | Anthropic Claude 4 | Apr 2026 | 200K | 64K | ToolsStreamingVisionTool choice |
claude-sonnet-4.6 Claude Sonnet 4.6 Daily-driver Claude. Pairs with Opus 4.6 for cost-balanced agent fleets — excellent edit precision. | Anthropic Claude 4 | Apr 2026 | 200K | 64K | ToolsStreamingVisionReasoningTool choice |
raptor-mini Raptor mini xAI's compact Raptor model. Preview-only in Copilot. Built for high-throughput coding with very low latency. | xAI Raptor | Apr 2026 | 256K | 32K | ToolsStreamingVision |
gemini-3.1-pro-preview Gemini 3.1 Pro (Preview) 2M-context flagship Gemini. Preview only on Copilot. Native multimodal, structured-output strong. | Google Gemini 3 | Mar 2026 | 2M | 64K | ToolsStreamingVisionJSON modeReasoning |
gpt-5.4 GPT-5.4 Step over 5.3-Codex with stronger general reasoning. Solid daily driver for whole-repo refactors. | OpenAI GPT-5 | Mar 2026 | 400K | 128K | ToolsStreamingVisionJSON modeReasoningTool choice |
gpt-5.4-mini GPT-5.4 mini Mid-tier 5.4 — faster than 5.4 base with similar context. Responses-API only on Copilot. | OpenAI GPT-5 | Mar 2026 | 400K | 64K | ToolsStreamingVisionJSON modeReasoning |
gpt-5.4-nano GPT-5.4 nano Compact 5.4 sibling. Copilot Pro+ exclusive, currently surfaced only in the Codex VS Code extension. | OpenAI GPT-5 | Mar 2026 | 200K | 64K | ToolsStreamingVisionJSON modeReasoning |
gemini-3-flash-preview Gemini 3 Flash (Preview) Fast Gemini 3 tier. 1M context with low latency. Preview only on Copilot. | Google Gemini 3 | Feb 2026 | 1M | 32K | ToolsStreamingVisionJSON mode |
gpt-5.3-codex GPT-5.3 Codex Code-tuned 5.3. Specialised for diff-shaped output and multi-file edits. Responses-API only. | OpenAI GPT-5 | Feb 2026 | 400K | 128K | ToolsStreamingVisionJSON modeReasoningTool choice |
claude-sonnet-4.5 Claude Sonnet 4.5 Workhorse Sonnet. Mature tool protocol; the most predictable Claude for code-edit benchmarks. | Anthropic Claude 4 | Feb 2026 | 200K | 64K | ToolsStreamingVisionReasoningTool choice |
claude-opus-4.5 Claude Opus 4.5 Prior-gen Opus. Still strong for deep refactors when latency or cost matter more than raw frontier capability. | Anthropic Claude 4 | Jan 2026 | 200K | 64K | ToolsStreamingVisionReasoningTool choice |
claude-haiku-4.5 Claude Haiku 4.5 Smallest, fastest Claude 4. Cheap completions, autocomplete loops, and high-volume agent fan-out. | Anthropic Claude 4 | Jan 2026 | 200K | 32K | ToolsStreamingVisionTool choice |
gpt-5.2 GPT-5.2 Mid-cycle 5.x. Balances cost and reasoning, popular in agent loops. | OpenAI GPT-5 | Dec 2025 | 400K | 128K | ToolsStreamingVisionJSON modeReasoningTool choice |
gpt-5.2-codex GPT-5.2 Codex 5.2 fine-tuned for code edits. Strong at staying in-protocol over long agent sessions. Responses-API only. | OpenAI GPT-5 | Dec 2025 | 400K | 128K | ToolsStreamingVisionJSON modeReasoningTool choice |
grok-code-fast-1 Grok Code Fast 1 Code-tuned Grok. 0× premium multiplier on Copilot — effectively free for high-volume experimentation. Zero data-retention upstream. | xAI Grok | Nov 2025 | 256K | 32K | ToolsStreaming |
gpt-5.1 GPT-5.1 First incremental over GPT-5. Improved tool-call reliability and lower latency. | OpenAI GPT-5 | Oct 2025 | 400K | 128K | ToolsStreamingVisionJSON modeReasoningTool choice |
gpt-5.1-codex GPT-5.1 Codex 5.1 Codex variant. Stronger refactor and bug-fix benchmarks than 5.1 base. | OpenAI GPT-5 | Oct 2025 | 400K | 128K | ToolsStreamingVisionJSON modeReasoningTool choice |
gpt-5.1-codex-max GPT-5.1 Codex Max Heavyweight 5.1 Codex. Built for very long agentic sessions and architectural review. | OpenAI GPT-5 | Oct 2025 | 400K | 128K | ToolsStreamingVisionJSON modeReasoningTool choice |
gpt-5.1-codex-mini GPT-5.1 Codex Mini Compact 5.1 Codex. High throughput, low latency for autocomplete-style loops. | OpenAI GPT-5 | Oct 2025 | 200K | 64K | ToolsStreamingVisionJSON modeReasoning |
gpt-5 GPT-5 Initial GPT-5 release. Long context, tool-aware, strong code synthesis. Baseline reference for the 5.x series. | OpenAI GPT-5 | Aug 2025 | 400K | 128K | ToolsStreamingVisionJSON modeReasoningTool choice |
gpt-5-mini GPT-5 mini Lighter, faster GPT-5 sibling. Excellent default for high-throughput coding agents. | OpenAI GPT-5 | Aug 2025 | 400K | 128K | ToolsStreamingVisionJSON modeReasoning |
claude-sonnet-4 Claude Sonnet 4 First-gen Claude 4 Sonnet. Stable tool-use protocol, broadly tested across coding agents. | Anthropic Claude 4 | May 2025 | 200K | 64K | ToolsStreamingVisionTool choice |
gpt-4.1 GPT-4.1 1M-context successor to GPT-4o. Best in class for whole-repo grounding and long-form refactors. | OpenAI GPT-4 | Apr 2025 | 1M | 32K | ToolsStreamingVisionJSON modeTool choice |
gpt-4.1-2025-04-14 GPT-4.1 (2025-04-14 snapshot) Pin GPT-4.1 to its launch-day weights. Use when you need bit-identical replay of older runs. | OpenAI GPT-4 | Apr 2025 | 1M | 32K | ToolsStreamingVisionJSON modeTool choice |
gemini-2.5-pro Gemini 2.5 Pro Prior flagship Gemini. 1M context, mature tool-use, dependable for structured output. | Google Gemini 2.5 | Mar 2025 | 1M | 64K | ToolsStreamingVisionJSON modeReasoning |
gpt-4o-2024-11-20 GPT-4o (2024-11-20 snapshot) Most recent GPT-4o snapshot. Pin when you need stable output across deploys. | OpenAI GPT-4 | Nov 2024 | 128K | 16.384K | ToolsStreamingVisionJSON modeTool choice |
gpt-4o-2024-08-06 GPT-4o (2024-08-06 snapshot) Mid-2024 GPT-4o snapshot. Introduced structured outputs / strict JSON mode. | OpenAI GPT-4 | Aug 2024 | 128K | 16.384K | ToolsStreamingVisionJSON modeTool choice |
gpt-4o-mini GPT-4o mini Lighter GPT-4o for high-volume completions. Same 128K context, much cheaper per token. | OpenAI GPT-4 | Jul 2024 | 128K | 16.384K | ToolsStreamingVisionJSON modeTool choice |
gpt-4o-mini-2024-07-18 GPT-4o mini (2024-07-18 snapshot) GPT-4o mini snapshot. Cheaper batch jobs and high-throughput agents. | OpenAI GPT-4 | Jul 2024 | 128K | 16.384K | ToolsStreamingVisionJSON modeTool choice |
gpt-4o GPT-4o OpenAI's omni-model. Fast, multimodal, broadly supported across legacy coding tools. | OpenAI GPT-4 | May 2024 | 128K | 16.384K | ToolsStreamingVisionJSON modeTool choice |
gpt-4o-2024-05-13 GPT-4o (2024-05-13 launch) Original GPT-4o launch weights. Lower output cap (4K) and no structured outputs. | OpenAI GPT-4 | May 2024 | 128K | 4.096K | ToolsStreamingVisionJSON modeTool choice |
gpt-4 GPT-4 Original GPT-4. Kept for backwards-compatibility with older agents pinned to this id. | OpenAI GPT-4 | Mar 2023 | 8.192K | 4.096K | ToolsStreamingJSON modeTool choice |
gpt-3.5-turbo GPT-3.5 Turbo Legacy chat model. Cheap and fast; useful for trivial routing/classification work. | OpenAI GPT-3.5 | Mar 2023 | 16.385K | 4.096K | ToolsStreamingJSON mode |