Anthropic has released Claude Fable 5.2 and Mythos 5.2, which are faster and cheaper upgrades to their existing AI models. Fable 5.2 has achieved the top spot on the Artificial Analysis Intelligence Index leaderboard, surpassing Google's unreleased Gemini 4 Carbon. These new models demonstrate Anthropic's strategy of 'pacing, not pausing' the AI frontier, offering improved performance and cost-efficiency. AI
IMPACT Sets new SOTA on leaderboards and pressures competitors like Google and OpenAI with improved cost-efficiency.
RANK_REASON Frontier-lab model release with system card and benchmark results. [lever_c_demoted from frontier_release: ic=1 ai=1.0]
- Anthropic
- Artificial Analysis Intelligence Index
- Claude Haiku 5.5
- Dario Amodei
- GPT-6 Luna
- Meta
- Muse Ember
- Mythos 5.2
- OpenAI
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