OpenAI · Language model

GPT-6 Sol

OpenAI's everyday workhorse. Sol brings Astra-style improvements to a much cheaper tier, and OpenAI says it makes about half as many mistakes as GPT-5.6 Sol.

MakerOpenAI
ReleasedSeptember 22, 2026
API price (per 1M tokens)$2 in / $10 out
Open weightsNo

Best for

  • Daily work in ChatGPT
  • Coding in Codex
  • Balanced cost vs. quality

Strengths

  • Half the price of GPT-5.6 Sol's promo rates
  • Fewer factual mistakes
  • Available in ChatGPT, Codex, the API and GitHub

Watch out for

  • Less reasoning headroom than Astra
  • Brand-new; independent testing still coming in

Ranking history

EditionPower RankingsCodingBest ValueOpen-Weight WatchImage GenerationVideo Generation
Week 39, 2026#4 (92)#4 (90)#3 (91)———

Head-to-head