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// 1h agoMODEL RELEASE
GPT-6.1 Terra reaches Copilot GA
GitHub Copilot now offers GPT-6.1 Terra for everyday agentic coding and terminal work across supported clients, with gradual rollout underway. Early testing showed stronger terminal and C# performance than GPT-5.6 Terra at lower cost than GPT-6.1 Sol.
// ANALYSIS
Terra looks less like a frontier showcase and more like OpenAI’s cost-optimized workhorse for coding agents.
- –OpenAI reports a 50.3% Terminal-Bench 4.0 score at maximum reasoning, versus 21.5% for GPT-5.6 Terra.
- –Broad availability across IDEs, CLI, cloud agents, GitHub.com, and mobile makes model choice more operationally important for Copilot teams.
- –Gradual rollout and administrator controls mean Enterprise and Business users may not see Terra immediately.
- –Developers should benchmark their own repositories; vendor evaluations establish a strong signal, not a guarantee of universal coding superiority.
// TAGS
gpt-6.1-terrallmcoding-agentai-codingclitool-use
DISCOVERED
1h ago
2026-10-26
PUBLISHED
1h ago
2026-10-26
RELEVANCE
9/ 10
AUTHOR
code