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

> Source: <https://the-decoder.com/gpt-5-6-sol-nearly-matches-fable-5-on-aggregated-benchmarks-at-one-third-the-cost/>
> Published: 2026-07-09 18:37:51+00:00

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](https://the-decoder.com/gpt-5-6-sol-nearly-matches-fable-5-on-aggregated-benchmarks-at-one-third-the-cost/) appeared first on [The Decoder](https://the-decoder.com).