claude-sonnet-4-5 API price comparison
Compare claude-sonnet-4-5 token prices across supported API token platforms.
Cheapest overall
Crazyrouter
18.00 USD/M tokens combined per 1M tokens
Lowest input
Crazyrouter
3.00 USD/M tokens input per 1M tokens
Lowest output
Crazyrouter
15.00 USD/M tokens output per 1M tokens
Last refreshed
Sep 6, 2026
2 listed platforms
Best listed option
claude-sonnet-4-5 is currently cheapest overall on Crazyrouter, with input at 3.00 USD/M tokens and output at 15.00 USD/M tokens per million tokens.
Pricing insight
Across 2 listed routes, claude-sonnet-4-5 is cheapest overall on Crazyrouter at 18.00 USD/M tokens. The median combined price is 18.90 USD/M tokens, so the cheapest route is about 5% below the median listed route.
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Lowest total cost
Crazyrouter
Best first check for balanced coding-agent sessions: 18.00 USD/M tokens.
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Prompt-heavy work
Crazyrouter
Useful for large repositories and long context reads: 3.00 USD/M tokens input.
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Response-heavy work
Crazyrouter
Useful for long answers, edits, and agent loops: 15.00 USD/M tokens output.
Median combined price
18.90 USD/M tokens
Baseline for judging whether the cheapest route is unusually low.
Cache price coverage
100%
2 of 2 routes publish cache read or write prices.
Fresh rows
2/2
Routes crawled in the last 72 hours.
Use case fit
claude-sonnet-4-5 is commonly used for reasoning, Claude Code, and long-context developer work. Check both prompt-heavy and output-heavy pricing before choosing a platform.
Platform price comparison
| Platform | Ratio | Input | Output | Total |
|---|---|---|---|---|
| Crazyrouter | 1.00x | 3.00 USD/M tokens | 15.00 USD/M tokens | 18.00 USD/M tokens |
| AIHubMix | 1.10x | 3.30 USD/M tokens | 16.50 USD/M tokens | 19.80 USD/M tokens |
FAQ
Where is claude-sonnet-4-5 cheapest?
Crazyrouter has the lowest listed combined price at 18.00 USD/M tokens per 1M tokens.
What do input and output prices mean?
Input is charged for prompt tokens you send. Output is charged for tokens generated by the model.
How often are prices refreshed?
Prices are crawler-backed and this page was last refreshed Sep 6, 2026. Always confirm before large purchases.