Auto API pricing
OpenRouter · chat model · 2M context · ranked #47 of 1809 by input price
What Auto costs in practice
Auto is priced at free per million input tokens and free per million output tokens and no separately published prompt-cache rate.
Monthly cost examples
Assuming 1,200 prompt + 400 completion tokens per request unless noted, billed 30 days a month and without cache hits.
| Workload | Cost / month | Cost / day |
|---|---|---|
| 1,000 requests/day | free | free |
| 10,000 requests/day | free | free |
| 100,000 requests/day | free | free |
| 1M summaries/month | free | free |
Model a different profile in the cost calculator.
Capabilities
Provider description
The Auto Router automatically selects the best model for your prompt, powered by the wisdom of the market. It routes you based on what the OpenRouter community collectively spends on...
Cheaper alternatives
Ranked by blended cost (3× input + 1× output) — cheaper, but check context and capabilities before switching.
| # | Model | Provider | Input $/1M | Output $/1M | Cached $/1M | Context |
|---|
Data provenance
This page is assembled from the sources below. Where two sources disagree, both are shown.
- Our input price: free
- Second source: —
- Our output price: free
- Second source: —
More from OpenRouter
Frequently asked
› How much does Auto cost per 1,000 tokens?
About free for input and free for output tokens, based on the per-million rates on this page.
› Is Auto cheaper than other models?
By input price it ranks #47 of 1809 priced chat models in this index, putting it in the cheaper half of the market.
› How often is Auto's price checked?
The dataset was last refreshed 2026-09-13 13:40 UTC. Providers can change pricing at any time — verify with OpenRouter before committing to a budget.