Data points: 81
Model compare
The readout for Claude Sonnet 4.6 and GPT-3.5 Turbo, before the detailed comparison sheet.
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 88 to 12.
Evidence depth
81 data points
Includes 8 benchmark rows, 0 audit samples, and 7 provider examples.
Selection signal
Start with Claude Sonnet 4.6
The charts below split 15 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 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 | 88.0 pts | 12.0 pts |
| Benchmark category leads | 3 categories | 0 categories |
| Operational advantages | Cheapest input price, Provider coverage | Average speed, First-token latency, Free providers |
| Context window | 1M tokens | 16.4K tokens |
| Max output | 128K tokens | 4.1K tokens |
| Modalities | 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 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 |
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, Provider coverage).
GPT-3.5 Turbo
GPT-3.5 Turbo has these operational advantages: Average speed, First-token latency, Free providers.
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 Sonnet 4.6
54
Avg. score
GPT-3.5 Turbo
40
Claude Sonnet 4.6
Claude Sonnet 4.6 leads by 8.0
Claude Sonnet 4.6 leads by 16.7
Claude Sonnet 4.6
Claude Sonnet 4.6 leads by 15.9
Claude Sonnet 4.6
Claude Sonnet 4.6
Claude Sonnet 4.6
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
Claude Sonnet 4.6
74.36 s
Rank #130/139 · confidence 4
GPT-3.5 Turbo
winner0.70 s
Rank #25/139 · confidence 4
Claude Sonnet 4.6
74.36 s
Rank #134/139 · confidence 4
GPT-3.5 Turbo
winner0.70 s
Rank #34/139 · confidence 4
Claude Sonnet 4.6
77.1 tok/s
Rank #84/139 · confidence 4
GPT-3.5 Turbo
winner138.2 tok/s
Rank #39/139 · confidence 4
Claude Sonnet 4.6
$15.00/M
Rank #138/163 · confidence 4
GPT-3.5 Turbo
winner$1.50/M
Rank #54/163 · confidence 4
Claude Sonnet 4.6
$6.00/M
Rank #139/163 · confidence 4
GPT-3.5 Turbo
winner$0.750/M
Rank #60/163 · confidence 4
Claude Sonnet 4.6
$3.00/M
Rank #139/163 · confidence 4
GPT-3.5 Turbo
winner$0.500/M
Rank #70/163 · confidence 4
Claude Sonnet 4.6
winner87.5%
Rank #30/187 · confidence 4
GPT-3.5 Turbo
29.7%
Rank #186/187 · confidence 4
Claude Sonnet 4.6
winner79.2%
Rank #68/125 · confidence 3 · eval date 2026-02-01
GPT-3.5 Turbo
46.2%
Rank #124/125 · confidence 4
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. | ||
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 |
|---|---|---|
25 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 |
12 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 |
10 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 |
10 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 |
10 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-16k 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-16k speed / latency No data input / output $2.79/M |
Weighted outcome: Claude Sonnet 4.6. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Input
Output
| Features | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning | Text inputText outputTool callingStructured outputsJSON mode |
|---|
