API pricing per million tokens
- Input
- $3
- per 1M, list
- Output
- $15
- per 1M tokens
- Cached input
- $0.3
- batch $1.5 / $7.5
- Context
- 1M
- 64K max output
Where to buy it (7)
AWS Bedrockdefault region$3 / $15cached $0.3
Azure AI Foundryglobal$3 / $15cached $0.3
Google Vertex AIglobal$3 / $15cached $0.3
Anthropic (list)the lab's own API$3 / $15cached $0.3
Through a gateway
Your own numbers100M input and 20M output tokens a month: $600.00 direct.
Helicone$600.00+0%
Kong AI Gateway$600.00+0%
LiteLLM$600.00+0%
Vercel AI Gateway$600.00+0%
Databricks Mosaic AI$600.00+0%
Hugging Face Inference$600.00+0%
Cloudflare AI Gateway$630.00+5%
Requesty$630.00+5%
Eden AI$633.00+5.5%
OpenRouter$633.00+5.5%
Snowflake Cortex AI$720.00+20%
Martian Gatewayn/a
Portkeyn/a
TrueFoundry AI Gatewayn/a
IBM watsonx.ain/a
OCI Generative AIn/a
NVIDIA NIMn/a
Related models
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Gemini 3.1 Pro PreviewGoogle Gemini API · 1M$2 / $12in / out per 1M$2$12$0.21MFeb 19, 2026
Qwen3.8 Max (0902)Qwen (Alibaba) · 1M$2 / $6in / out per 1M$2$6$0.251MSep 3, 2026
About Claude Sonnet 4.5
Claude Sonnet 4.5 is Anthropic’s most advanced Sonnet model to date, optimized for real-world agents and coding workflows.
Takes text, image, files in and returns text. First listed Oct 1, 2025. Blended price $6 per 1M tokens at 3 input to 1 output. Overall score 6 on leadersboard.fru.dev (rank 24).
Questions
How much does Claude Sonnet 4.5 cost?
$3 per million input tokens and $15 per million output tokens, with cached input at $0.3, or $1.5 and $7.5 through the Batch API.
What is the context window of Claude Sonnet 4.5?
1M tokens, with up to 64K tokens of output.
Where is Claude Sonnet 4.5 cheapest?
Of 7 routes tracked, AWS Bedrock is cheapest at $3 input and $15 output per million tokens.
List prices from providers' pages on the date shown; your contract may differ. Logos via logo.dev; trademarks belong to their owners.