[AINews] not much happened today
OpenAI’s GPT-6.1 Sol undercuts Astra on price while Sonnet 5.5 ranks high on Agent Arena.
OpenAI priced GPT-6.1 Sol at $2 per million input tokens and $10 per million output tokens, versus $10 and $50 for Astra. Sol reportedly beats GPT-6 Sol by 6.4 points on DeepSWE v1.1, is 39% cheaper than GPT-6 Sol, and lands within about a point of Astra at 81% lower cost. Anthropic’s Sonnet 5.5 [Max] debuted at #3 on Agent Arena and #1 in Chat, while Anthropic models hold the top three Agent Arena spots. The roundup also notes Gemini 4 Argon, several open models, decision-model tooling, and new agent harnesses.
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