OpenAI has launched GPT-6.1 Sol, a new model priced competitively at $2/$10 per million tokens, reportedly outperforming previous GPT models and Anthropic's Opus 5.5 on benchmarks like DeepSWE v1.1 and AutomationBench. Concurrently, Anthropic's Sonnet 5.5 has debuted on the Agent Arena, securing the top three positions overall and ranking first in the Chat category, though its cost per task is higher than Opus 5.5. Other models like Gemini 4 Argon and open-weight models such as MiMo-V2.6-Pro and Flash are also making their mark in various leaderboards and evaluations. AI
IMPACT New model releases from OpenAI and Anthropic are setting new cost-performance benchmarks, potentially influencing pricing and capabilities across the industry.
RANK_REASON New model release from OpenAI with performance and pricing details. [lever_c_demoted from frontier_release: ic=1 ai=1.0]
- Anthropic
- Astra
- Fable 5.5
- FLASH
- Gemini 4 Argon
- GPT-6.1 Sol
- Grok 4.7
- Kimi k3
- llama.cpp
- MiMo-V2.6-Pro
- OpenAI
- Opus 5.5
- Sonnet 5.5
- WeirdML v3
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