GPT-5.6 Luna · OpenAI
See the official pricing source for billing conditions.
Official pricing sourceLast verified:
All tiers and model details →OpenAI vs Mistral AI. Evaluate two low-cost API quotes and the effect of output volume.
USD token-only estimates using each offering’s published default tier. 1M tokens are an aggregate workload, not a single request. Cache savings, batch discounts, long-context surcharges, tools, taxes and negotiated rates are excluded. Tokenizers and capabilities may differ; lower price does not establish equivalent quality.
Mistral AI · Mistral Small 4 is 46.4% cheaper for this workload. Absolute difference: $0.65.
| Metric | GPT-5.6 LunaOpenAI | Mistral Small 4Mistral AI |
|---|---|---|
| Input / 1M tokens | $0.20 | $0.15 |
| Output / 1M tokens | $1.20 | $0.60 |
| Cached input / 1M | $0.02 | Not published |
| Context window | 1,050,000 | Not published |
| Maximum output | 128,000 | Not published |
| 1M input + 1M output | $1.40 | $0.75 |
| Default pricing basis | standard | standard |
| Last verified (UTC) | 2026-09-04T18:24:25.168Z | 2026-09-05T10:40:35.881Z |
Each calculator uses the same default-tier assumption described above.
See the official pricing source for billing conditions.
Official pricing sourceLast verified:
All tiers and model details →Standard global API rates for the published model alias. Optional cache, batch, priority and regional discounts or surcharges are not included.
Official pricing sourceLast verified:
All tiers and model details →