Compare LLM models
Head-to-head pricing, context window, and tokenizer for the model pairs people actually choose between.
- GPT-5.6 Sol vs Claude Opus 5The flagship from each provider, and what the difference costs.$5.00 vs $5.00 per 1M input
- GPT-5.6 Terra vs Claude Sonnet 5The mid-tier option from each provider, where most production work lands.$2.00 vs $2.00 per 1M input
- GPT-5.6 Luna vs Claude Haiku 4.5The cheapest current model from each provider, for high-volume work.$0.20 vs $1.00 per 1M input
- Claude Opus 5 vs Claude Sonnet 5Whether the Opus tier earns its price over Sonnet.$5.00 vs $2.00 per 1M input
- GPT-5.6 Sol vs GPT-5.6 TerraHow far down the GPT-5.6 range you can go before it costs you.$5.00 vs $2.00 per 1M input
- GPT-4o vs GPT-4o miniThe classic cost-versus-capability split inside one family.$2.50 vs $0.15 per 1M input
- GPT-4 Turbo vs GPT-5.6 SolWhat migrating off a retiring model actually changes.$10.00 vs $5.00 per 1M input
- GPT-4o vs GPT-5.6 TerraWhether moving to the current generation is cheaper as well as newer.$2.50 vs $2.00 per 1M input
These pairs are chosen rather than generated. Every combination of the models here would be more than fifty pages, most of them answering a question nobody asks — so any pair not listed can be compared directly in the full table, which prices all of them against the same prompt at once.