Compare AI models side by side
Change either box to open that pair's spec sheet: context window, price per million tokens and benchmark scores.
Which assistant to use
8 guidesModel specs, side by side
147 pairsSide-by-side comparisons of 57 large language models from 8 providers: context window, maximum output, release date, price per million tokens and published benchmark scores, each figure with its source. Pick two models above, or open one of the 147 comparisons below.
Latest models with spec sheets 28 pairs
The latest model of each major provider that has a full spec sheet here, compared with every other, as of October 2026. Current models without a spec sheet here yet (Claude Opus 5.5, Claude Sonnet 5.5 and GPT-6.1 Sol) are covered in the head-to-head guides.
Earlier models 119 pairs
Pairs that include an earlier model, kept for reference: the models people still run, or still ask about.