Claude 3.7 Sonnet vs Claude 4 Opus
API pricing, context window and capabilities for Claude 3.7 Sonnet and Claude 4 Opus, side by side. Prices are the cheapest listed serving route per 1M tokens, from LiteLLM and OpenRouter.
Verdict
computed from the published numbersClaude 3.7 Sonnet wins on price. Claude 4 Opus wins on intelligence. Benchmark data is unavailable for one or both models.
Price
Claude 3.7 Sonnet
Terminal-Bench
Not called
Intelligence
Claude 4 Opus
Context window
Tied
Key takeaways
who wins on what, from the published numbersClaude 3.7 Sonnet wins
- Cheaper input ($3.00 vs $5.00 /1M)
- Cheaper output ($15.00 vs $25.00 /1M)
- More serving providers (5 vs 3)
Claude 4 Opus wins
- Higher max output (64K vs 200K)
Cheaper overall
Claude 3.7 Sonnet
$3.00 + $15.00 /1M
Larger context
Tied
More providers
Claude 3.7 Sonnet
5 providers
Pricing & specs
cheapest listed route · per 1M tokensOn-demand listed rates, OpenRouter routed quotes and Vercel reseller quotes. Enterprise commitments can be materially lower.
| Claude 3.7 Sonnet | Claude 4 Opus | |
|---|---|---|
| Input $/1M | $3.00via Databricks best | $5.00via Snowflake |
| Output $/1M | $15.00via Replicate best | $25.00via Snowflake |
| Context window | 200K | 200K |
| Max output | 64K | 200K best |
| Serving providers | 5 best | 3 |
| Date | Released Feb 24, 2025 | First listed Jul 2025 |
Benchmarks
Benchmark scores, side by side| Claude 3.7 Sonnet | Claude 4 Opus | |
|---|---|---|
| Intelligence | 15.3 | 16.6 best |
| GPQA Diamond | 66% | 70% best |
Cost calculator
choose a serving route for each sideInput tokens / month
Output tokens / month
Claude 3.7 Sonnet
via Databricks
$30
Claude 4 Opus
via Snowflake
$50
Capabilities
feature support, side by side| Feature | Claude 3.7 Sonnet | Claude 4 Opus |
|---|---|---|
| Vision | ✓ | ✓ |
| Tool use | ✓ | ✓ |
| Reasoning | ✓ | ✓ |
| Audio | — | — |
| Prompt caching | ✓ | ✓ |
| Structured output | ✓ | ✓ |
| Web search | — | — |
Related comparisons
Frequently asked questions
Which is cheaper, Claude 3.7 Sonnet or Claude 4 Opus?
Claude 3.7 Sonnet is cheaper for input ($3.00 vs $5.00 per 1M tokens) from Databricks. Claude 3.7 Sonnet is cheaper for output ($15.00 vs $25.00 per 1M tokens) from Replicate.
What is the context window difference between Claude 3.7 Sonnet and Claude 4 Opus?
Both Claude 3.7 Sonnet and Claude 4 Opus have about a 200K-token context window.
How do Claude 3.7 Sonnet and Claude 4 Opus compare on benchmarks?
On the tracked benchmarks, Claude 4 Opus leads on intelligence.
Listed prices from LiteLLM, OpenRouter and Vercel · last checked Sep 22, 2026
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