Cline says OpenAI GPT-6 Astra takes the top spot on Terminal-Bench, about 1.9% ahead of Claude Fable 5.1 (released two days earlier). Access is still limited to a handful of orgs while API rollout continues over the next few days, and Cline says Astra is coming to the agent soon.

Key Takeaways

  • ✓Terminal-Bench: Astra leads Fable 5.1 by ~1.9% on terminal/coding-agent workloads.
  • ✓Availability: still limited orgs; API rolling out over the next few days.
  • ✓Product: Cline says Astra is coming soon for its coding agent.
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Key Decision Metrics at a Glance

TL;DR Verdict
🏆 Benchmark RankRank
Terminal-Bench: Astra leads Fable 5.1 by ~1.9% on terminal/coding-agent workloads.
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