s1-pro API pricing
System1 Models is the only provider checked so far with a published price for s1-pro: $0.08 input and $0.00 output per 1M tokens, as of 15 October 2026.
Prices by provider
Per 1M tokens, on-demand, sorted cheapest first by blended cost (3:1 input to output). Off-peak and long-context rates are listed on each provider's page.
| # | Provider | Input / 1M | Cached / 1M | Output / 1M | Checked | Notes |
|---|---|---|---|---|---|---|
| 1 | $0.08 | โ | $0.00 | 15 Oct 2026 | Peer-to-Peer rate for new customers; EU tier $0.084. Existing customers pay $0.038 until 12 Nov 2026. Runs vLLM-SR d3 26B. |
Each price was read off the provider's own pricing page on the date shown; the date links to that page. Providers that publish no per-token price for this model are not listed. The same data is open under CC-BY at /api/query/prices.
System1 Models is the only European-headquartered provider checked so far with a published price for s1-pro: $0.08 input and $0.00 output per 1M tokens, as of 15 October 2026.
European providers
Per 1M tokens, on-demand, for providers headquartered in Europe, sorted cheapest first by blended cost (3:1 input to output). See all European AI providers
| # | Provider | Input / 1M | Cached / 1M | Output / 1M | Checked | Notes |
|---|---|---|---|---|---|---|
| 1 | $0.08 | โ | $0.00 | 15 Oct 2026 | Peer-to-Peer rate for new customers; EU tier $0.084. Existing customers pay $0.038 until 12 Nov 2026. Runs vLLM-SR d3 26B. |
Each price was read off the provider's own pricing page on the date shown; the date links to that page. Providers that publish no per-token price for this model are not listed. The same data is open under CC-BY at /api/query/prices.
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Every decision model with its hosts and prices is on the decision models page. For text-generating models, see LLM API pricing by model.
Compare every inference provider on free tiers, hosting and EU availability in the inference APIs table.
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