claude-sonnet-4-5-20250929
Updated Sep 11, 2026
claude-sonnet200k context64k max outputreleased Sep 30, 2025ReasoningTool calling
Official
—
output per 1M tokens
Providers
2
offering this model
Spread
1.1×
max / min output
Offers
Metered per-token prices. Cheapest input and output are highlighted; † marks a context-tier surcharge.
| Provider | 1M input | 1M output | 1M cache read | 1M cache write | Context |
|---|
| Jiekou.AI | Cheapest$2.7 | Cheapest$13.5 | — | — | 200k |
| 302.AI | $3 | $15 | — | — | 200k |
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