Data points: 71
Model compare
The readout for Claude 3.7 Sonnet and Claude Sonnet 4, before the detailed comparison sheet.
Weighted outcome: Claude 3.7 Sonnet. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Decision read
Claude 3.7 Sonnet
Claude 3.7 Sonnet has the higher weighted result; Model A / B score 59.3 to 40.7.
Evidence depth
71 data points
Includes 7 benchmark rows, 0 audit samples, and 9 provider examples.
Selection signal
Start with Claude 3.7 Sonnet
The charts below split 16 high-signal samples across speed, scores, and audit health.
Switch either side of this report to compare another model with the same LMSpeed data pipeline.
Select a different model to open a new comparison URL.
This report only uses LMSpeed data for Claude 3.7 Sonnet and Claude Sonnet 4: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | Claude 3.7 Sonnet | Claude Sonnet 4 |
|---|---|---|
| Overall leader | Leading | Contender |
| Weighted overall score | 59.3 pts | 40.7 pts |
| Benchmark category leads | 2 categories | 1 categories |
| Operational advantages | Average speed | First-token latency, Free providers, Provider coverage |
| Context window | No data | 1M tokens |
| Max output | No data | 64K tokens |
| Modalities | No data | Input ImageTextFile Output Text |
The overall result weights benchmark capability categories at 80% and price, API speed/latency, and availability at 20%. Recent test volume does not affect the winner, and missing benchmark categories are excluded.
| Model compare | Claude 3.7 Sonnet | Claude Sonnet 4 |
|---|---|---|
| Developer | Anthropic | Anthropic |
| Released | No data | May 2025 |
| Parameters | No data | No data |
| Tokenizer | No data | Claude |
| Knowledge cutoff | No data | 2025-01-31 |
| OpenRouter ID | No data | anthropic/claude-sonnet-4 |
| References | No data | No data |
This report only uses LMSpeed data for Claude 3.7 Sonnet and Claude Sonnet 4: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
Claude 3.7 Sonnet
Claude 3.7 Sonnet is stronger in benchmark categories (Coding, Reasoning) and operational dimensions (Average speed).
Claude Sonnet 4
Claude Sonnet 4 is stronger in benchmark categories (Math) and operational dimensions (First-token latency, Free providers, Provider coverage).
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
Compare benchmark category scores on a 0-100 scale. Select a category to inspect the gap.
Avg. score
Claude 3.7 Sonnet
48.4
Avg. score
Claude Sonnet 4
47.9
Claude Sonnet 4
Claude 3.7 Sonnet leads by 1.3
Claude 3.7 Sonnet leads by 0.3
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
Claude 3.7 Sonnet
83.7%
Rank #32/125 · confidence 4
Claude Sonnet 4
83.7%
Rank #32/125 · confidence 4
Claude 3.7 Sonnet
winner77.2%
Rank #87/188 · confidence 4
Claude Sonnet 4
68.3%
Rank #117/188 · confidence 4
Claude 3.7 Sonnet
winner10.3%
Rank #92/187 · confidence 4
Claude Sonnet 4
4.0%
Rank #162/187 · confidence 4
Claude 3.7 Sonnet
winner47.3%
Rank #63/115 · confidence 4
Claude Sonnet 4
44.9%
Rank #66/115 · confidence 4
Claude 3.7 Sonnet
winner40.3%
Rank #66/185 · confidence 4
Claude Sonnet 4
37.3%
Rank #94/185 · confidence 4
Claude 3.7 Sonnet
winner94.7%
Rank #21/74 · confidence 4
Claude Sonnet 4
93.4%
Rank #26/74 · confidence 4
Claude 3.7 Sonnet
winner48.7%
Rank #28/68 · confidence 4
Claude Sonnet 4
40.7%
Rank #33/68 · confidence 4
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | Claude 3.7 Sonnet | Claude Sonnet 4 |
|---|---|---|
| No completed audits are available from shared providers yet. | ||
Speed aggregates and input/output pricing share each provider row for real API selection and migration cost checks.
| Provider | Claude 3.7 Sonnet | Claude Sonnet 4 |
|---|---|---|
32 tests | Claude 3.7 Sonnet speed / latency 48 tok/s / 6890ms input / output No data | Claude Sonnet 4 speed / latency N/A / N/A input / output No data |
15 tests | Claude 3.7 Sonnet speed / latency N/A / N/A input / output No data | Claude Sonnet 4 speed / latency 36 tok/s / 6227ms input / output No data |
0 tests | Claude 3.7 Sonnet speed / latency N/A / N/A input / output No data | Claude Sonnet 4 speed / latency N/A / N/A input / output No data |
0 tests | Claude 3.7 Sonnet speed / latency N/A / N/A input / output No data | Claude Sonnet 4 speed / latency N/A / N/A input / output No data |
0 tests | Claude 3.7 Sonnet speed / latency N/A / N/A input / output No data | Claude Sonnet 4 speed / latency N/A / N/A input / output No data |
Claude 3.7 Sonnet claude-3-7-sonnet-20250219 speed / latency No data input / output $0.0086/M/$0.043/M | Claude Sonnet 4 claude-sonnet-4-20250514 speed / latency No data input / output $0.429/M | |
Claude 3.7 Sonnet claude-3-7-sonnet-latest speed / latency No data input / output $0.104/M/$0.521/M | Claude Sonnet 4 claude-sonnet-4-20250514 speed / latency No data input / output $0.104/M | |
Claude 3.7 Sonnet claude-3-7-sonnet-20250219 speed / latency No data input / output $0.321/M/$1.61/M | Claude Sonnet 4 claude-sonnet-4-20250514 speed / latency No data input / output $0.664/M | |
Claude 3.7 Sonnet claude-3-7-sonnet-20250219 speed / latency No data input / output $0.329/M/$1.64/M | Claude Sonnet 4 claude-sonnet-4-20250514 speed / latency No data input / output $3.29/M |
Weighted outcome: Claude 3.7 Sonnet. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
| Features | None listed | Text inputImage inputFile inputText outputTool callingReasoning |
|---|
Claude Sonnet 4
Claude Sonnet 4 leads by 4.2
No data
No data
Claude Sonnet 4
