Compare
Claude 3.7 Sonnet vs Claude Opus 4.6
Pricing is only the shared seller matrix below. Best rates and catalog map are separate sections, so no chart is embedded in pricing. Open the calculator for the same workload on each side.
Model
Claude 3.7 Sonnet
Best $3.00 in · $15.00 out
Context window 200K
Model
Claude Opus 4.6
Best $5.00 in · $25.00 out
Context window 200K
Claude 3.7 Sonnet is cheaper across the board — 40% cheaper on input and 40% cheaper on output.
Pricing matrix
Shared sellers only. Each row is a host that lists both models. Dollar amounts are per 1M tokens. Lowest in each pair of columns is emphasized.
| Provider | Claude 3.7 Sonnet in | Claude 3.7 Sonnet out | Claude Opus 4.6 in | Claude Opus 4.6 out |
|---|---|---|---|---|
| Anthropic | N/A | N/A | $5.00 | $25.00 |
| Aws Bedrock | N/A | N/A | $5.00 | $25.00 |
| Azure | N/A | N/A | $5.00 | $25.00 |
| Google Vertex | N/A | N/A | $5.00 | $25.00 |
| Gradient | $3.00 | $15.00 | N/A | N/A |
| Heroku | N/A | N/A | N/A | N/A |
| Openrouter | $3.00 | $15.00 | $5.00 | $25.00 |
| Replicate | $3.00 | $15.00 | N/A | N/A |
| Vercel Ai Gateway | $3.00 | $15.00 | $5.00 | $25.00 |
Best listed rates (this pair)
Same "best row in current pricing" logic as model pages: a compact view of the lowest input and output we show for each side. This is not the seller matrix.
Catalog map · Anthropic
Each chart uses real catalog rows that include both list input and list output ($/1M). Larger green dots are the models on this comparison page; accent dots are other active models from that provider.
Anthropic · input vs output
Scatter chart: X = input $/M, Y = output $/M. This page's models are labeled on the green dots; hover others for detail.
One dot per catalog row that has both list prices. Green dots are labeled with the models on this page; hover any dot for name and prices. Upper-right means higher cost on both axes ($/1M).
Specifications
Each column header is the full model name. Tint marks the favorable value where we compute a winner.
- Context window
- 200,000 tokens
- 200,000 tokens
- Max output tokens
- 128,000 tokens
- 32,000 tokens
- Vision
- Yes
- Yes
- Function calling
- Yes
- Yes
- Streaming
- No
- Yes
- Release date
- Feb 2025
- Feb 2026
Cost calculator
Same requests, input tokens, and output tokens for both columns. Pick the provider row that matches how you buy.
When to pick which
Short takeaways: no cards, just the points. Validate with your own workloads.
High-volume text generation
Use Claude 3.7 Sonnet. Output tokens are 40% cheaper, which compounds significantly at scale.
Long output (reports, code files)
Use Claude 3.7 Sonnet. Its 128K max output limit reduces the need to split requests.
Frequently asked questions
More comparisons
Other popular head-to-head matchups.
- Claude 3.7 Sonnet vs Claude Sonnet 4.6
Compare pricing side by side
- Claude 3.7 Sonnet vs Claude Haiku 4.5
Compare pricing side by side
- Claude 3.7 Sonnet vs GPT-4o
Compare pricing side by side
- Claude Opus 4.6 vs Claude Sonnet 4.6
Claude Sonnet 4.6 40% cheaper on output
- Claude Opus 4.6 vs Claude Haiku 4.5
Claude Haiku 4.5 80% cheaper on output
- Claude Opus 4.6 vs GPT-4o
GPT-4o 60% cheaper on output