Compare AI Models
Put any models head-to-head β benchmarks, context window, parameters, weights and pricing in one view. Pick up to four; the π marks the leader on each benchmark.
Estimate monthly cost in βΉ βGPT-5.6 (Sol / Terra / Luna)GPT-5.5Claude Opus 4.8
Type
Multimodal
Multimodal
Multimodal
Context
β
1050K tokens
1000K tokens
Parameters
β
β
β
Weights
π Proprietary
π Proprietary
π Proprietary
Benchmarks
MMLU
β
92
β
GPQA Diamond
β
94
94
SWE-bench Verified
β
89
89
AIME (math)
β
100
β
Pricing
Preview only. Per 1M tokens β Sol $5/$30, Terra $2.50/$15, Luna $1/$6. API + Codex for vetted partners; not in ChatGPT yet.
API ~$5 / 1M input, ~$30 / 1M output. ChatGPT Plus βΉ1,999/mo (incl. GST), Pro tier for heaviest use; not on Free.
API ~$5 / 1M input, ~$25 / 1M output. Claude Pro/Max (~$20/mo, no India INR plan β ~βΉ1,800+ after FX/tax).
Benchmark scores are widely-reported public figures (higher is better) for relative comparison β they vary by source; check the provider for official results. π = best among the models shown.