Benchmark
Benchmark of agentic AI performance on scientific-research tasks run in a terminal environment, reporting task pass rates and per-task cost for frontier models.
OpenAI lists GPT-6.1 Sol at $2 per million input tokens and $10 per million output; the 10-cent figure in early coverage is its cached-input rate. Teams moving work off Astra should budget on the list rates and OpenAI's per-task costs.
Perspective Coverage
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OpenAI's GPT-6.1 Sol halves cached-input pricing to $0.10 per million tokens and leaves standard rates at $2 and $10. Agents that resend long context collect the saving, while other buyers weigh gains shown mostly in OpenAI's own tests.
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Musk said the delayed Grok 4.7 should be roughly on par with Opus 5.0, not 5.1. Parity with what Anthropic and OpenAI already sell he put two versions further up the ladder, at Grok 4.9.
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The published doubling was measured with a per-task allowance most teams will never grant, under a harness Anthropic has not described. The number that transfers is the one you get at your own spend cap.
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Anthropic charges the same for 5.1 as it does for Fable 5, so the upgrade itself is free. Whether the Terminal-Bench-Science jump from 24.7% to 52.6% reaches your queue depends on how much work Fable 5 was already failing.
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