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Anthropic's Claude Fable 5 leads AI coding benchmarks, beats GPT-5.5

By PulseAugur Editorial · [1 sources] ·

Anthropic's Claude Fable 5 model has demonstrated superior performance in coding benchmarks, significantly outperforming OpenAI's GPT-5.5 and Google's Gemini 3.1 Pro. On the SWE-Bench Pro, Fable 5 achieved an 80.3% success rate, compared to 58.6% for GPT-5.5 and 54.2% for Gemini 3.1 Pro. While Fable 5 is priced higher than GPT-5.5, it is positioned as a more budget-friendly option than GPT-5.5 Pro, offering better coding performance for its cost. AI

IMPACT Sets new SOTA on coding benchmarks, pressuring competitors and potentially accelerating adoption for AI-powered coding tasks.

RANK_REASON New model release from a frontier lab with benchmark results. [lever_c_demoted from frontier_release: ic=1 ai=1.0]

Read on dev.to — Claude Code tag →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

COVERAGE [1]

  1. dev.to — Claude Code tag TIER_1 English(EN) · RAXXO Studios ·

    Claude Fable 5 vs GPT-5.5 vs Gemini 3.1 Pro: Who Leads Now?

    <ul> <li><p>SWE-Bench Pro: Claude Fable 5 hits 80.3 percent, GPT-5.5 lands 58.6, Gemini 3.1 Pro 54.2</p></li> <li><p>Gemini stays cheapest at 2 dollars per million input, Fable 5 costs 10 but undercuts GPT-5.5 Pro</p></li> <li><p>Only Anthropic ships a two-tier safety design: ris…

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