Claude Sonnet 4.5 pricing
If you are budgeting for Claude Sonnet 4.5, start with the numbers below. We index 8 provider prices. Cheapest input is $3.00 per million tokens. Cheapest output is $15.00 per million tokens. The model lists a 200K context window in our data.
Pricing across providers
Use this table to read Claude Sonnet 4.5 list prices. We show 8 sources right now. Lowest input in the grid: Openrouter. The chart below the table helps when output prices are much higher than input prices.
| Provider | Input / 1M | Output / 1M | Cached input | Batch |
|---|---|---|---|---|
O Openrouter | $3.00 | $15.00 | $0.300 | — |
S Snowflake | $3.00 | $15.00 | $0.300 | — |
A Azure | $3.00 | $15.00 | $0.300 | — |
GC Github Copilot | N/A | N/A | — | — |
G Gmi | $3.00 | $15.00 | — | — |
VA Vercel Ai Gateway | $3.00 | $15.00 | $0.300 | — |
GV Google Vertex | $3.00 | $15.00 | $0.300 | — |
A Anthropicnative | $3.00 | $15.00 | $0.300 | — |
Input vs output · per provider
Cost calculator
Use this block to stress test Claude Sonnet 4.5 cost without a spreadsheet. All estimates come from public list rates in this page.
Provider
0.300000¢ / req
0.750000¢ / req
Model specifications
Context length, caps, and capability flags for Claude Sonnet 4.5. Family: Claude Sonnet. Values follow the main provider (Anthropic) record in our index.
- Context window
- 200,000 tokens
- Max output
- 64,000 tokens
- Vision (images)
- Yes
- Tool / function calling
- Yes
- Streaming
- No
- Released
- N/A
- Primary provider
- Anthropic
- Model family
- Claude Sonnet
Compare Claude Sonnet 4.5
Jump into a comparison when you want one table for two models instead of two tabs. 6 curated matches for Claude Sonnet 4.5.
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Popular Claude Sonnet 4.5 comparisons
- Claude Sonnet 4.5 vs Claude Sonnet 4.6
Same output pricing
- Claude Sonnet 4.5 vs Claude Haiku 4.5
Claude Haiku 4.5 66% cheaper on output
- Claude Sonnet 4.5 vs Claude Opus 4.6
Claude Sonnet 4.5 40% cheaper on output
- Claude Sonnet 4.5 vs GPT-4o
GPT-4o 33% cheaper on output
- Claude Sonnet 4.5 vs GPT-4o mini
GPT-4o mini 96% cheaper on output
- Claude Sonnet 4.5 vs Gemini 2.0 Flash
Gemini 2.0 Flash 97% cheaper on output
Frequently asked questions
Read these after the table if you want plain language around Claude Sonnet 4.5 rates.
Also from Anthropic
Other models by Anthropic with live pricing in our catalog.