Data points: 66
Model compare
The readout for Claude 3.7 Sonnet and Claude Haiku 4.5, 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 80 to 20.
Evidence depth
66 data points
Includes 5 benchmark rows, 0 audit samples, and 8 provider examples.
Selection signal
Start with Claude 3.7 Sonnet
The charts below split 13 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 Haiku 4.5: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | Claude 3.7 Sonnet | Claude Haiku 4.5 |
|---|---|---|
| Overall leader | Leading | Contender |
| Weighted overall score | 80.0 pts | 20.0 pts |
| Benchmark category leads | 3 categories | 0 categories |
| Operational advantages | No data | Cheapest input price, Average speed, First-token latency, Free providers, Provider coverage |
| Context window | No data | 200K tokens |
| Max output | No data | 64K tokens |
| Modalities | No data | Input TextImageFile 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 Haiku 4.5 |
|---|---|---|
| Developer | Anthropic | Anthropic |
| Released | No data | Oct 2025 |
| Parameters | No data | No data |
| Tokenizer | No data | Claude |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | No data | anthropic/claude-haiku-4.5 |
| References | No data | No data |
This report only uses LMSpeed data for Claude 3.7 Sonnet and Claude Haiku 4.5: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
Claude 3.7 Sonnet
Claude 3.7 Sonnet leads these benchmark categories: Coding, Reasoning, Math.
Claude Haiku 4.5
Claude Haiku 4.5 has these operational advantages: Cheapest input price, Average speed, 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 Haiku 4.5
45.9
Claude Haiku 4.5
Claude 3.7 Sonnet leads by 1.2
Claude 3.7 Sonnet leads by 0.4
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
Claude 3.7 Sonnet
winner83.7%
Rank #32/125 · confidence 4
Claude Haiku 4.5
80.0%
Rank #61/125 · confidence 4
Claude 3.7 Sonnet
winner77.2%
Rank #87/188 · confidence 4
Claude Haiku 4.5
64.6%
Rank #131/188 · confidence 4
Claude 3.7 Sonnet
winner10.3%
Rank #92/187 · confidence 4
Claude Haiku 4.5
4.3%
Rank #150/187 · confidence 4
Claude 3.7 Sonnet
47.3%
Rank #63/115 · confidence 4
Claude Haiku 4.5
winner51.1%
Rank #59/115 · confidence 4
Claude 3.7 Sonnet
winner40.3%
Rank #66/185 · confidence 4
Claude Haiku 4.5
34.4%
Rank #115/185 · confidence 4
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | Claude 3.7 Sonnet | Claude Haiku 4.5 |
|---|---|---|
| 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 Haiku 4.5 |
|---|---|---|
10 tests | Claude 3.7 Sonnet speed / latency N/A / N/A input / output No data | Claude Haiku 4.5 speed / latency 88 tok/s / 2243ms input / output No data |
5 tests | Claude 3.7 Sonnet claude-3-7-sonnet-latest speed / latency N/A / N/A input / output $0.104/M/$0.521/M | Claude Haiku 4.5 claude-haiku-4-5-20251001 speed / latency 109 tok/s / 2221ms input / output $0.174/M |
5 tests | Claude 3.7 Sonnet speed / latency N/A / N/A input / output No data | Claude Haiku 4.5 speed / latency 160 tok/s / 2639ms input / output No data |
0 tests | Claude 3.7 Sonnet speed / latency N/A / N/A input / output No data | Claude Haiku 4.5 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 Haiku 4.5 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 Haiku 4.5 claude-haiku-4-5-20251001 speed / latency No data input / output $0.143/M | |
Claude 3.7 Sonnet claude-3-7-sonnet-20250219 speed / latency No data input / output $0.822/M/$4.11/M | Claude Haiku 4.5 claude-haiku-4-5-20251001 speed / latency No data input / output $0.137/M | |
Claude 3.7 Sonnet claude-3-7-sonnet-20250219 speed / latency No data input / output $0.411/M/$2.05/M | Claude Haiku 4.5 claude-haiku-4-5-20251001 speed / latency No data input / output $0.137/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 callingStructured outputsJSON modeReasoning |
|---|
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Claude 3.7 Sonnet leads by 3.1
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