Compare models
Pick two to four models. No markup on model usage: you pay the provider's list price.
| Attribute |   GPT-6 Luna |  Mistral Small 4 |
|---|---|---|
| Provider | OpenAI | Mistral AI |
| Model id | openai/gpt-6-luna | mistral/mistral-small-2603 |
| Status | Available via Safeguard | Available via Safeguard |
| Input / 1M tokens | $0.10 | $0.15 |
| Output / 1M tokens | $0.50 | $0.60 |
| Price notes | Standard tier, prompts <=272K input tokens. Over 272K: $0.20 in / $0.75 out. Cached input $0.01. | Standard tier. Cached input $0.015. |
| Context | 1.05M | 256K |
| Parameters | Not published | Not published |
| Max output | 128,000 tokens | Not published |
| Modality | Text and image | Text and image |
| Weights | Closed | Open |
| Zero data retention | Available | Available |
| Prompts go to | OpenAI (no processing-region constraint by default) | Mistral AI (global endpoint by default) |
| Retention | API data not used for training unless you opt in, abuse monitoring logs that can include prompts and responses kept up to 30 days by default, some features store application state | Commercial terms: no training on customer data unless opted in, with exceptions, Studio Free mode may train on inputs and outputs (opt-out available), pay-as-you-go can opt out, ZDR available on pay-as-you-go for stateless endpoints |
| Region | Global by default, data residency projects in US, EU and other regions (approval required, 10% uplift for models released on or after 2026-03-05) | Global by default, optional EU or US regional inference endpoints at 1.1x pricing |
| Price checked | 2026-10-08 | 2026-10-08 |
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