GitHub Copilot changelog

Copilot Fusion adds local model routing in experimental preview

Copilot Fusion can now choose between supported on-device models and cloud models in Copilot CLI, the Copilot app and VS Code. MAI Code 1.1 Flash can be downloaded on supported Windows devices.

Who is affected:

Copilot users who want to run local models with automatic routing.

What to do:

Enable experimental local routing to try it.

GitHub Copilot Fusion becomes generally available with a 30% launch discount

Copilot Fusion routes and orchestrates models per task with Standard, High and Max effort levels. Users are billed per model used at standard rates, with a limited-time 30% discount on paid plans.

Who is affected:

All Copilot users in VS Code, the Copilot app, Copilot CLI and JetBrains, and admins who set model defaults.

What to do:

Update your client and select Copilot Fusion in the model picker.

Copilot Memory becomes generally available on paid plans

Copilot can remember personal preferences and repository conventions across sessions and clients. Copilot dreaming, which curates memories and proposes skill updates, launches in public preview and dream runs consume AI credits.

Who is affected:

Paid Copilot plan users and admins who want Copilot to carry context between sessions.

What to do:

Review memory settings and decide whether to opt in to dreaming.

Copilot code review adds Max effort level in public preview

Max joins Lite and Balanced as a third review effort level and runs several independent review agents across models from different providers. Copilot approvals are now generally available, off by default, and available on Pro, Pro+, Max, Business and Enterprise plans.

Who is affected:

Copilot code review users on paid plans, and admins who set review effort and approvals.

What to do:

Select Max for high-risk pull requests, and have admins turn on approvals where needed.

Copilot adds HydraFusion Max multi-model option in research preview

HydraFusion, which combines several models in one Copilot response, now draws on Claude Opus 5.5, GPT-6 Astra, GPT-6.1 Sol and GPT-6 Luna. The new HydraFusion Max uses higher reasoning effort for harder tasks. Both are research previews for Pro, Pro+, Business and Enterprise with preview features on.

Gemini 4 Argon available in GitHub Copilot for Pro+ and above

Gemini 4 Argon is GA in Copilot for Pro+, Max, Business and Enterprise users (not Pro), billed at provider list pricing.

Claude Haiku 5.5 available in GitHub Copilot

Claude Haiku 5.5 is available on Copilot Pro, Pro+, Max, Business and Enterprise at provider list price.

GPT-6.1 Sol available in GitHub Copilot

GPT-6.1 Sol is available on Copilot Pro+, Max, Business and Enterprise at provider list price.

Claude Sonnet 5.5 available in GitHub Copilot

Claude Sonnet 5.5 is available on Copilot Pro, Pro+, Max, Business and Enterprise at provider list price.

Claude Opus 5.5 available in GitHub Copilot

Claude Opus 5.5 is available on Copilot Pro+, Max, Business and Enterprise at provider list price. GitHub says it resolved tasks about as well as Opus 5 with significantly fewer steps and tokens.

GPT-6 Sol and GPT-6 Luna available in GitHub Copilot

GPT-6 Sol is available on Copilot Pro+, Max, Business and Enterprise, and GPT-6 Luna also on Pro, under usage-based billing.

Grok 4.7 available in GitHub Copilot

Grok 4.7 rolled out to Copilot Pro, Pro+, Max, Business and Enterprise, enabled automatically under default model enablement.

GPT-6 Astra available in GitHub Copilot

GPT-6 Astra is available on Copilot Pro+, Max, Business and Enterprise at provider list price, and is enabled automatically under default model enablement.

Gemini 3.8 Flash available in GitHub Copilot at introductory pricing

Gemini 3.8 Flash is available on Copilot Pro, Pro+, Max, Business and Enterprise, billed at introductory provider pricing through December 31, 2026. It is enabled automatically under default model enablement.

Claude Fable 5.1 available in GitHub Copilot, with data retention by default

Claude Fable 5.1 is available on Copilot Pro+, Max, Business and Enterprise. Unlike other Claude models in Copilot it requires data retention so Anthropic can run safety classifiers. Eligible enterprises can use zero data retention through the end of 2026.

Who is affected:

Copilot organizations with zero data retention requirements.

What to do:

Copilot admins: review the data retention terms before enabling the Fable 5.1 policy.

Grok 4.6 available in GitHub Copilot

Grok 4.6 rolled out to Copilot Pro, Pro+, Max, Business and Enterprise at provider list price. Business and Enterprise admins must turn on the policy, which is off by default.

Gemini 3.7 Flash available in GitHub Copilot

Gemini 3.7 Flash rolled out to Copilot Pro, Pro+, Max, Business and Enterprise at provider list price.

MAI-Code-1.1-Flash replaces MAI-Code-1-Flash in Copilot at a 73% lower price

Microsoft MAI-Code-1.1-Flash rolled out in Copilot with vision support and a list price 73% below MAI-Code-1-Flash. Free and Student users get it through auto model selection. MAI-Code-1-Flash was removed on September 10, 2026.

Who is affected:

Copilot users and workflows using MAI-Code-1-Flash or auto model selection.

What to do:

Switch any pinned MAI-Code-1-Flash workflows to MAI-Code-1.1-Flash.

Kimi K3 available in GitHub Copilot

Kimi K3, hosted by GitHub on Fireworks AI, rolled out to Copilot Pro, Pro+, Max, Business and Enterprise at $3 per 1M input tokens, $15 per 1M output tokens and $0.30 per 1M cached input tokens.

Who is affected:

Copilot users looking for a cheaper frontier-level coding model.

What to do:

Business and Enterprise admins must enable the Kimi K3 policy.

Grok 4.5 available in GitHub Copilot

Grok 4.5 rolled out to Copilot Pro, Pro+, Max, Business and Enterprise, billed at provider list pricing. The policy is off by default for organizations.

Who is affected:

Copilot users who want xAI models.

What to do:

Business and Enterprise admins must enable the Grok 4.5 policy.

Claude Opus 5 available in GitHub Copilot

Claude Opus 5 is available on Copilot Pro+, Max, Business and Enterprise at provider API list price. GitHub notes its cyber safeguards may block some security-related requests.

Who is affected:

GitHub Copilot users on Pro+ and above.

What to do:

Copilot Business and Enterprise admins: enable the Claude Opus 5 policy if you want it.

GPT-5.6 Sol, Terra and Luna available in GitHub Copilot

GPT-5.6 Sol is available on Copilot Pro+, Max, Business and Enterprise. Terra and Luna are also available on Pro. All are billed at provider list price, and Business and Enterprise admins must turn on the policy, which is off by default.

Who is affected:

GitHub Copilot users choosing OpenAI models.

What to do:

Copilot Business and Enterprise admins: enable the GPT-5.6 policy if you want these models.

Kimi K2.7 Code is the first open-weight model in Copilot

Kimi K2.7 Code, hosted by GitHub on Microsoft Azure, became selectable in Copilot, starting with Pro, Pro+ and Max, billed at provider list pricing.

Who is affected:

Copilot users looking for a lower-cost model.

What to do:

Business and Enterprise admins must enable the policy, which is off by default.

Gemini 3.5 Flash in GitHub Copilot at a 14x multiplier

Gemini 3.5 Flash rolled out to Copilot Pro, Pro+, Business and Enterprise with a tentative 14x premium request multiplier.

Who is affected:

Copilot users choosing between models by cost.

What to do:

Business and Enterprise admins must enable the Gemini 3.5 Flash policy.