Data points: 75
Model compare
Claude Sonnet 4.6 vs GPT-4
The readout for Claude Sonnet 4.6 and GPT-4, before the detailed comparison sheet.
Key Takeaways
Weighted outcome: Claude Sonnet 4.6. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Decision read
Claude Sonnet 4.6
Claude Sonnet 4.6 has the higher weighted result; Model A / B score 96 to 4.
Evidence depth
75 data points
Includes 5 benchmark rows, 0 audit samples, and 10 provider examples.
Selection signal
Start with Claude Sonnet 4.6
The charts below split 15 high-signal samples across speed, scores, and audit health.
Change comparison
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.
Comparison sheet
This report only uses LMSpeed data for Claude Sonnet 4.6 and GPT-4: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | Claude Sonnet 4.6 | GPT-4 |
|---|---|---|
| Overall leader | Leading | Contender |
| Weighted overall score | 96.0 pts | 4.0 pts |
| Benchmark category leads | 3 categories | 0 categories |
| Operational advantages | Cheapest input price, Average speed, Free providers, Provider coverage | First-token latency |
| Context window | 1M tokens | 8.2K tokens |
| Max output | 128K tokens | 4.1K tokens |
| Modalities | Input TextImageFile Output Text | Input Text Output Text |
| Features | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning | Text inputText outputTool callingStructured outputsJSON mode |
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 metadata
Model metadata
| Model compare | Claude Sonnet 4.6 | GPT-4 |
|---|---|---|
| Developer | Anthropic | OpenAI |
| Released | Feb 2026 | May 2023 |
| Parameters | No data | No data |
| Tokenizer | Claude | GPT |
| Knowledge cutoff | No data | 2021-09-30 |
| OpenRouter ID | anthropic/claude-sonnet-4.6 | openai/gpt-4 |
| References | No data | No data |
When to choose each model
This report only uses LMSpeed data for Claude Sonnet 4.6 and GPT-4: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
Claude Sonnet 4.6
Claude Sonnet 4.6 is stronger in benchmark categories (Coding, Reasoning, Math) and operational dimensions (Cheapest input price, Average speed, Free providers, Provider coverage).
GPT-4
GPT-4 has these operational advantages: First-token latency.
Benchmark score comparison
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
Category performance
Compare benchmark category scores on a 0-100 scale. Select a category to inspect the gap.
- Model A coverage
- 7 / 8
- Model B coverage
- 3 / 8
- Shared
- 3 shared categories
Avg. score
Claude Sonnet 4.6
53.1
Avg. score
GPT-4
42.4
Agents
Claude Sonnet 4.6
Coding
Claude Sonnet 4.6 leads by 6.4
Reasoning
Claude Sonnet 4.6 leads by 12.9
Knowledge
Claude Sonnet 4.6
Math
Claude Sonnet 4.6 leads by 12.5
Multilingual
No data
Multimodal
Claude Sonnet 4.6
Instruction following
Claude Sonnet 4.6
Professional benchmark details
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
Professional benchmark details
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
Claude Sonnet 4.6
winner$6.00/M
Rank #155/180 · confidence 4
GPT-4
$37.50/M
Rank #178/180 · confidence 4
Claude Sonnet 4.6
winner$3.00/M
Rank #155/180 · confidence 4
GPT-4
$30.00/M
Rank #178/180 · confidence 4
Claude Sonnet 4.6
winner$15.00/M
Rank #155/180 · confidence 4
GPT-4
$60.00/M
Rank #173/180 · confidence 4
Claude Sonnet 4.6
winner87.5%
Rank #46/212 · confidence 4
GPT-4
34.9%
Rank #205/212 · confidence 4
Claude Sonnet 4.6
winner79.2%
Rank #69/129 · confidence 3 · eval date 2026-02-01
GPT-4
56.2%
Rank #121/129 · confidence 4
API audit comparison
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
API audit comparison
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | Claude Sonnet 4.6 | GPT-4 |
|---|---|---|
| No completed audits are available from shared providers yet. | ||
Provider examples
Speed aggregates and input/output pricing share each provider row for real API selection and migration cost checks.
Provider examples
Speed aggregates and input/output pricing share each provider row for real API selection and migration cost checks.
| Provider | Claude Sonnet 4.6 | GPT-4 |
|---|---|---|
小水管 API10 tests | Claude Sonnet 4.6 speed / latency 31 tok/s / 4124ms input / output No data | GPT-4 speed / latency N/A / N/A input / output No data |
N1N5 tests | Claude Sonnet 4.6 speed / latency 55 tok/s / 2094ms input / output No data | GPT-4 speed / latency N/A / N/A input / output No data |
数标标API-FS5 tests | Claude Sonnet 4.6 speed / latency 47 tok/s / 1068ms input / output No data | GPT-4 speed / latency N/A / N/A input / output No data |
速创API5 tests | Claude Sonnet 4.6 speed / latency 20 tok/s / 8427ms input / output No data | GPT-4 speed / latency N/A / N/A input / output No data |
42公益站0 tests | Claude Sonnet 4.6 speed / latency N/A / N/A input / output No data | GPT-4 speed / latency N/A / N/A input / output No data |
Claude Sonnet 4.6 claude-sonnet-4-6 speed / latency No data input / output $0/request | GPT-4 gpt-4 speed / latency No data input / output $0/request | |
Claude Sonnet 4.6 claude-sonnet-4-6-c speed / latency No data input / output $0.0082/request | GPT-4 gpt-4-0125-preview speed / latency No data input / output $2.05/M/$4.11/M | |
Claude Sonnet 4.6 claude-sonnet-4-6 speed / latency No data input / output $0.010/request | GPT-4 gpt-4-all speed / latency No data input / output $0.014/request | |
Claude Sonnet 4.6 claude-sonnet-4-6 speed / latency No data input / output $0.329/M/$1.64/M | GPT-4 gpt-4-all speed / latency No data input / output $0.011/request | |
Claude Sonnet 4.6 claude-sonnet-4-6 speed / latency No data input / output $0.329/M/$1.64/M | GPT-4 gpt-4-all speed / latency No data input / output $0.011/request |
FAQ
Weighted outcome: Claude Sonnet 4.6. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
- Why is this comparison indexable?
- It has 6 verifiable comparison points, and both models have pricing or benchmark data.
- Are missing metrics invented?
- No. Metrics without LMSpeed data are omitted from this report.