Data points: 75
Model compare
Claude Sonnet 4.6 vs GPT-3.5 Turbo
The readout for Claude Sonnet 4.6 and GPT-3.5 Turbo, 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 92 to 8.
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-3.5 Turbo: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | Claude Sonnet 4.6 | GPT-3.5 Turbo |
|---|---|---|
| Overall leader | Leading | Contender |
| Weighted overall score | 92.0 pts | 8.0 pts |
| Benchmark category leads | 3 categories | 0 categories |
| Operational advantages | Cheapest input price, Free providers, Provider coverage | Average speed, First-token latency |
| Context window | 1M tokens | 16.4K 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-3.5 Turbo |
|---|---|---|
| Developer | Anthropic | OpenAI |
| Released | Feb 2026 | Jan 2024 |
| Parameters | No data | No data |
| Tokenizer | Claude | GPT |
| Knowledge cutoff | No data | 2021-09-30 |
| OpenRouter ID | anthropic/claude-sonnet-4.6 | openai/gpt-3.5-turbo |
| References | No data | No data |
When to choose each model
This report only uses LMSpeed data for Claude Sonnet 4.6 and GPT-3.5 Turbo: 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, Free providers, Provider coverage).
GPT-3.5 Turbo
GPT-3.5 Turbo has these operational advantages: Average speed, 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-3.5 Turbo
40
Agents
Claude Sonnet 4.6
Coding
Claude Sonnet 4.6 leads by 7.1
Reasoning
Claude Sonnet 4.6 leads by 16.4
Knowledge
Claude Sonnet 4.6
Math
Claude Sonnet 4.6 leads by 15.4
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
$15.00/M
Rank #155/180 · confidence 4
GPT-3.5 Turbo
winner$1.50/M
Rank #62/180 · confidence 4
Claude Sonnet 4.6
$6.00/M
Rank #155/180 · confidence 4
GPT-3.5 Turbo
winner$0.750/M
Rank #70/180 · confidence 4
Claude Sonnet 4.6
$3.00/M
Rank #155/180 · confidence 4
GPT-3.5 Turbo
winner$0.500/M
Rank #82/180 · confidence 4
Claude Sonnet 4.6
winner87.5%
Rank #46/212 · confidence 4
GPT-3.5 Turbo
29.7%
Rank #211/212 · confidence 4
Claude Sonnet 4.6
winner79.2%
Rank #69/129 · confidence 3 · eval date 2026-02-01
GPT-3.5 Turbo
46.2%
Rank #128/129 · 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-3.5 Turbo |
|---|---|---|
| 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-3.5 Turbo |
|---|---|---|
UoCode25 tests | Claude Sonnet 4.6 speed / latency 32 tok/s / 6074ms input / output No data | GPT-3.5 Turbo speed / latency N/A / N/A input / output No data |
巨量API12 tests | Claude Sonnet 4.6 speed / latency 39 tok/s / 5723ms input / output No data | GPT-3.5 Turbo speed / latency N/A / N/A input / output No data |
EasyMore10 tests | Claude Sonnet 4.6 speed / latency 27 tok/s / 11925ms input / output No data | GPT-3.5 Turbo speed / latency 54 tok/s / 9591ms input / output No data |
ModelPool10 tests | Claude Sonnet 4.6 speed / latency 41 tok/s / 3714ms input / output No data | GPT-3.5 Turbo speed / latency N/A / N/A input / output No data |
小水管 API10 tests | Claude Sonnet 4.6 speed / latency 31 tok/s / 4124ms input / output No data | GPT-3.5 Turbo 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-3.5 Turbo gpt-3.5-turbo-0613 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-3.5 Turbo gpt-3.5-turbo-0125 speed / latency No data input / output $0.055/M/$0.164/M | |
Claude Sonnet 4.6 claude-sonnet-4-6 speed / latency No data input / output $0.010/request | GPT-3.5 Turbo gpt-3.5-turbo-0125 speed / latency No data input / output $0.034/M/$0.103/M | |
Claude Sonnet 4.6 claude-sonnet-4-6 speed / latency No data input / output $0.616/M/$3.08/M | GPT-3.5 Turbo gpt-3.5-turbo-0125 speed / latency No data input / output $0.021/M/$0.062/M | |
Claude Sonnet 4.6 claude-sonnet-4-6 speed / latency No data input / output $0.205/M/$1.03/M | GPT-3.5 Turbo gpt-3.5-turbo-1106 speed / latency No data input / output $0.024/M/$0.048/M |
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.