OpenAI and Anthropic are now separated by 0.53 points on the leaderboard.
Top 5 AI models by real benchmark score - September 2026 Claude Fable 5.1 - 84.61, $10/$50 per M tokens GPT-6 Astra - 84.08, $10/$50 per M tokens Claude Opus 5 - 81.97, $5/$25 per M tokens Claude
Sakana AI announced two new models on September 11th.
・Fugu Max (emphasis on low price) Fees are $2 for input and $6 for output per 1 million tokens. ・Fugu Ultra v2 (performance-oriented) Scored 48.3 points on the diagram reading test (27.3 points for Opus 5). This score is obtained without including Fable 5/5.1 and GPT-6 Astra in the combination.
The free ai models board just got Claude Fable 5.1, GPT-5.6, and Gemini 3.1 Pro.
These ones burn fast. Verdent: Fable 5.1, Opus 5, GPT-5.6, Gemini 3.1 Pro, Kimi K3 · 100 credits / 7d: AWS Free Tier: Claude / Llama / Mistral / Nova / DeepSeek on
Whoever runs SEO copy through the same model that designs database architecture has bigger balls than their wallet
Run everything through Opus 5 at $5 / $25 per million tokens by default and your SEO copy gets billed like an architecture review. move just the content and
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