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[ARTICLE · art-53101] src=the-decoder.com ↗ pub= topic=artificial-intelligence verified=true sentiment=↑ positive

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

OpenAI's GPT-5.6 Sol scored 59 points on the Artificial Analysis Intelligence Index, one point behind Anthropic's Claude Fable 5, while costing $1.04 per task—a third of Fable 5's price. Sol also outperformed all competitors in agentic coding, intensifying pricing pressure on Anthropic.

read1 min views1 publishedJul 9, 2026

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.

source & further reading
the-decoder.com — original article OpenAI pairs its GPT-5.6 public rollout with ChatGPT Work, a new agent that handles entire workflows Meta's Muse Spark 1.1 API pricing squeezes OpenAI and Anthropic as the AI price war heats up OpenAI finds roughly 30 percent of popular AI coding test is broken
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