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GPT-5.6 Sol nearly matches Fable 5 on aggregated benchmarks at one-third the cost

OpenAI's GPT-5.6 Sol scores 59 points on the Artificial Analysis Intelligence Index, just one point behind Claude Fable 5. At $1.04 per task, it costs a third of what Anthropic's top model charges. In agentic coding, Sol beats every competitor, adding even more pricing pressure on Anthropic. The article GPT-5.6 Sol nearly matches Fable 5 on aggregated benchmarks at one-third the cost appeared first on The Decoder.

GPT-5.6 Sol nearly matches Fable 5 on aggregated benchmarks at one-third the cost
Primary source the-decoder.com ↗

Published July 9, 2026 · Category: AI Briefing

Overview

OpenAI's GPT-5.6 Sol scores 59 points on the Artificial Analysis Intelligence Index, just one point behind Claude Fable 5. At $1.04 per task, it costs a third of what Anthropic's top model charges. In agentic coding, Sol beats every competitor, adding even more pricing pressure on Anthropic.

Details

The article GPT-5.6 Sol nearly matches Fable 5 on aggregated benchmarks at one-third the cost appeared first on The Decoder.

Source

Originally published at the-decoder.com.

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