Why CEREBRO kept it

Sol dominates benchmark cost-performance pareto frontier

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• 2026-09-30

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Shares tags: ai/llm-mechanics · cerebro/signal

• Looks like my numbers were better because I used Codex and AA used mini-swe-agent (think pi but shit) Might have to do my own runs of TerminalBench 4.0 on official harnesses because the difference isx · 2026-09-30
• Artificial Analysis numbers are in! GPT-6.1 Sol is performing at around Opus 5.5 Medium levels for under a third the price. Not bad at all, but still more hyped for 6.1 Astra to catch them up 👀 httpsx · 2026-09-30
• To be clear, I still think Opus 5.5 is the current GOAT for coding. GPT-6.1 Sol is a great replacement for Astra at a WAY better price, but I don't default to it for code. I absolutely default to itx · 2026-09-30
• Sol 6.1 is a great model and an incredible value. Is it as good as Opus 5.5? https://t.co/VHSnNCGyPpx · 2026-09-30
• GPT-6.1 Sol: near-Astra intelligence for a fifth of the price. It’s the most cost-efficient model for its performance available today. https://t.co/hH8PnE2Oxkx · 2026-09-30
• Updated run just finished. GPT-6.1 Sol still crushes. Turns out it performs WAY better in Codex than in mini-swe (what Artificial Analysis uses) https://t.co/nNj9JcQQvKx · 2026-09-30

Also from x.com

• Looks like my numbers were better because I used Codex and AA used mini-swe-agent (think pi but shit) Might have to do my own runs of TerminalBench 4.0 on official harnesses because the difference isx · 2026-09-30
• Artificial Analysis numbers are in! GPT-6.1 Sol is performing at around Opus 5.5 Medium levels for under a third the price. Not bad at all, but still more hyped for 6.1 Astra to catch them up 👀 httpsx · 2026-09-30
• To be clear, I still think Opus 5.5 is the current GOAT for coding. GPT-6.1 Sol is a great replacement for Astra at a WAY better price, but I don't default to it for code. I absolutely default to itx · 2026-09-30
• Sol 6.1 is a great model and an incredible value. Is it as good as Opus 5.5? https://t.co/VHSnNCGyPpx · 2026-09-30
• GPT-6.1 Sol: near-Astra intelligence for a fifth of the price. It’s the most cost-efficient model for its performance available today. https://t.co/hH8PnE2Oxkx · 2026-09-30
• Updated run just finished. GPT-6.1 Sol still crushes. Turns out it performs WAY better in Codex than in mini-swe (what Artificial Analysis uses) https://t.co/nNj9JcQQvKx · 2026-09-30