Opus 5.5 beats Fable and Astra
Alex Getman @alexgetmancom · 22 Sep 2026, 17:36 UTC · Updated 31 Oct 2026, 20:59 UTCTests & comparisonsOpus 5.5 beats Fable and AstraOpus 5.5 beats Fable and Astra×Previous imageNext imageFable 5AnthropicOpenAIClaudeGPTРусская версияMarkdownAnalysisClaude plans and limits: Pro, Max and UltraAI API pricing: calculate the cost of a finished taskI put GPT-5.6 inside Claude Code and got suspendedRelated posts9 NovFable scores 65 on the Intelligence Index, beating Claude Opus by 6 points. Gemini 4 Carbon has already lost its lead before even becoming publicly available. And GPT will have to try really hard to get anywhere close to that score.ClaudeFable 5AnthropicGoogleOpenAIClaudeGeminiGPT28 Sep🚨 Sonnet 5.5 Max beats GPT-6 Astra Max on the Intelligence Index vs. cost curve A few other things stand out: 1. At medium, GPT-6 Sol is much cheaper than Sonnet 5.5 at a fairly similar intelligence level. 2. Around the Pareto line, GPT-6 Sol Max and Sonnet 5.5 High are…AnthropicOpenAIClaudeGPT28 SepSonnet 5.5 Max even beats Opus 5.5 Max on Terminal-Bench, while staying close to Opus across the rest. And against GPT Sol, the price/performance gap looks pretty brutal.AnthropicOpenAIClaudeGPT22 SepDay recapAnthropicOpenAIClaudeGPT
9 NovFable scores 65 on the Intelligence Index, beating Claude Opus by 6 points. Gemini 4 Carbon has already lost its lead before even becoming publicly available. And GPT will have to try really hard to get anywhere close to that score.ClaudeFable 5AnthropicGoogleOpenAIClaudeGeminiGPT
28 Sep🚨 Sonnet 5.5 Max beats GPT-6 Astra Max on the Intelligence Index vs. cost curve A few other things stand out: 1. At medium, GPT-6 Sol is much cheaper than Sonnet 5.5 at a fairly similar intelligence level. 2. Around the Pareto line, GPT-6 Sol Max and Sonnet 5.5 High are…AnthropicOpenAIClaudeGPT
28 SepSonnet 5.5 Max even beats Opus 5.5 Max on Terminal-Bench, while staying close to Opus across the rest. And against GPT Sol, the price/performance gap looks pretty brutal.AnthropicOpenAIClaudeGPT
