GPT-5.5 Now Available in GitHub Copilot
Key Takeaways
- ▸GPT-5.5 demonstrates superior performance on agentic, multi-step coding tasks compared to earlier GPT models
- ▸Now available across GitHub Copilot Pro+, Business, and Enterprise—with gradual rollout in cloud and mobile
- ▸Early testing shows GPT-5.5 solves previously intractable real-world coding challenges
Summary
OpenAI's latest large language model, GPT-5.5, is now rolling out to GitHub Copilot users across all premium tiers. According to early testing results, GPT-5.5 demonstrates the strongest performance on complex, multi-step agentic coding tasks and successfully resolves real-world coding challenges that previous GPT models could not handle.
The model is available to GitHub Copilot Pro+, Copilot Business, and Copilot Enterprise users, with selection options in the model picker for the Copilot cloud agent and mobile apps (iOS and Android). The rollout is gradual, with administrators of Business and Enterprise plans required to manually enable the GPT-5.5 policy in Copilot settings. OpenAI has launched GPT-5.5 with a 7.5× premium request multiplier as part of promotional pricing.
- Premium pricing features a 7.5× request multiplier during the promotional launch period
- Enterprise and Business administrators must opt-in by enabling GPT-5.5 policy in Copilot settings
