Claude Sonnet 4.5
As of Oct 4, 2026, the cheapest Claude Sonnet 4.5 API price is $0.43 per 1M input tokens (QiHang) and $2.14 per 1M output tokens (QiHang). Claude Sonnet 4.5 is offered by 39 providers in the claude-sonnet family, reasoning enabled. Anthropic's own rate is $15 per 1M output tokens.
API pricing by provider
Metered per-token prices. Cheapest input and output are highlighted; † marks a context-tier surcharge. How prices are ranked.
| QiHang | Cheapest$0.43 | Cheapest$2.14 | — | — | 200k | — |
| Poe | $2.6 | $13 | $0.26 | $3.2 | 983k | — |
| Cortecs | $2.989 | $14.945 | $0.326 | $4.078 | 200k | — |
| Abacus | $3 | $15 | — | — | 200k | — |
| Amazon Bedrock | $3 | $15 | $0.3 | $3.75 | 200k | — |
| Amazon Bedrockglobal | $3 | $15 | $0.3 | $3.75 | 200k | — |
| Anthropic | $3 | $15 | $0.3 | $3.75 | 1.0M | — |
| Anthropic | $3 | $15 | $0.3 | $3.75 | 1.0M | — |
| Azure | $3 | $15 | $0.3 | $3.75 | 200k | — |
| Azure Cognitive Services | $3 | $15 | $0.3 | $3.75 | 200k | — |
| Cloudflare AI Gateway | $3 | $15 | $0.3 | $3.75 | 200k | — |
| Databricks | $3 | $15 | $0.3 | $3.75 | 200k | — |
| Databricks | $3 | $15 | $0.3 | $3.75 | 200k | — |
| DigitalOcean | $3 | $15 | $0.3 | $3.75 | 200k | — |
| Vertex | $3 | $15 | $0.3 | $3.75 | 200k | — |
| Vertex (Anthropic) | $3 | $15 | $0.3 | $3.75 | 200k | — |
| Helicone | $3 | $15 | $0.3 | $3.75 | 200k | — |
| Helicone | $3 | $15 | $0.3 | $3.75 | 200k | — |
| Impossibl | $3 | $15 | $0.3 | $3.75 | 200k | — |
| Kilo Gateway | $3 | $15 | $0.3 | $3.75 | 1.0M | — |
| DevPass (LLM Gateway) | $3 | $15 | $0.3 | $3.75 | 200k | — |
| DevPass (LLM Gateway) | $3 | $15 | $0.3 | $3.75 | 200k | — |
| LLM Gateway | $3 | $15 | $0.3 | $3.75 | 200k | — |
| LLM Gateway | $3 | $15 | $0.3 | $3.75 | 200k | — |
| LLM Gateway | $3 | $15 | $0.3 | $3.75 | 200k | — |
| LLM Gateway | $3 | $15 | $0.3 | $3.75 | 200k | — |
| LLM Gateway | $3 | $15 | $0.3 | — | 200k | — |
| Merge Gateway | $3 | $15 | $0.3 | $3.75 | 200k | — |
| NanoGPT | $3 | $15 | $0.3 | — | 200k | — |
| NEAR AI Cloud | $3 | $15 | $0.3 | $3.75 | 200k | — |
| Neon | $3 | $15 | $0.3 | $3.75 | 200k | — |
| Ofox | $3 | $15 | $0.3 | $3.75 | 200k | — |
| OpenCode Zen | †$3 | $15 | $0.3 | $3.75 | 1.0M | — |
| OpenRouter | †$3 | $15 | $0.3 | $3.75 | 1.0M | — |
| OrcaRouter | $3 | $15 | $0.3 | $3.75 | 1.0M | — |
| Perplexity Agent | $3 | $15 | $0.3 | — | 200k | — |
| Pioneer | $3 | $15 | $0.3 | $3.75 | 1.0M | — |
| Requesty | †$3 | $15 | $0.3 | $3.75 | 1.0M | — |
| SAP AI Core | $3 | $15 | $0.3 | $3.75 | 200k | — |
| Tempr Gateway | $3 | $15 | $0.3 | $3.75 | 200k | — |
| Tempr Gateway | $3 | $15 | $0.3 | $3.75 | 200k | — |
| Vercel AI Gateway | $3 | $15 | $0.3 | $3.75 | 1.0M | — |
| ZenMux | $3 | $15 | $0.3 | $3.75 | 1.0M | — |
| AIHubMix | †$3.3 | $16.5 | $0.33 | $4.125 | 1.0M | — |
| Amazon Bedrockau | $3.3 | $16.5 | $0.33 | $4.125 | 200k | 18d agoout +10% |
| Amazon Bedrockeu | $3.3 | $16.5 | $0.33 | $4.125 | 200k | — |
| Amazon Bedrockjp | $3.3 | $16.5 | $0.33 | $4.125 | 200k | 18d agoout +10% |
| Amazon Bedrockus | $3.3 | $16.5 | $0.33 | $4.125 | 200k | 18d agoout +10% |
| Opper | $3.3 | $16.5 | $0.33 | $4.125 | 200k | — |
| Requesty | †$3.3 | $16.5 | $0.3 | $4.125 | 1.0M | — |
| Venice AI | $3.75 | $18.75 | $0.375 | $4.69 | 198k | — |
Claude Sonnet 4.5 pricing FAQ
What is the cheapest Claude Sonnet 4.5 API?
As of Oct 4, 2026, QiHang has the lowest Claude Sonnet 4.5 output price at $2.14 per 1M tokens, and QiHang has the lowest input price at $0.43 per 1M tokens. Prices are metered per-token rates in USD; free tiers and subscription plans are excluded.
How much does Claude Sonnet 4.5 cost on Anthropic?
Anthropic charges $3 per 1M input tokens and $15 per 1M output tokens for Claude Sonnet 4.5.
How many providers offer Claude Sonnet 4.5?
39 providers list Claude Sonnet 4.5 on Sovyron; 51 of them sell it at a metered per-token price.
Is Claude Sonnet 4.5 free?
No provider in the Sovyron catalog lists a free tier for Claude Sonnet 4.5.
What is the context window of Claude Sonnet 4.5?
Claude Sonnet 4.5 supports a 1.0M-token context window and up to 64k output tokens.
Token cost calculator
What a month costs at one provider's published rates. Enter the tokens you expect to send and receive; cached tokens use the cached-input price where the provider lists one, and count as ordinary input where it does not.
Estimated
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