OpenAI's Astra Cuts Task Costs to 63% Below Fable 5.1 in BridgeBench Coding Tests
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OpenAI released GPT-6 Astra on September 3, 2026, positioning it as a significantly more cost-efficient alternative to Anthropic's Claude Fable 5.1 for real-world coding workflows. When both models were evaluated on identical BridgeBench prompts—the comprehensive AI coding benchmark that tests generation, debugging, refactoring, security, and UI development across 130+ real-world tasks—Astra demonstrated substantial financial advantages despite matching headline API pricing.
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