Data points: 112
Model compare
The readout for Claude Sonnet 4.6 and GPT-5, before the detailed comparison sheet.
Weighted outcome: GPT-5. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Decision read
GPT-5
GPT-5 has the higher weighted result; Model A / B score 48 to 52.
Evidence depth
112 data points
Includes 21 benchmark rows, 1 audit samples, and 7 provider examples.
Selection signal
Start with GPT-5
The charts below split 29 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-5: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | Claude Sonnet 4.6 | GPT-5 |
|---|---|---|
| Overall leader | Contender | Leading |
| Weighted overall score | 48.0 pts | 52.0 pts |
| Benchmark category leads | 3 categories | 3 categories |
| Operational advantages | First-token latency, Provider coverage | Cheapest input price, Average speed, Free providers |
| Context window | 1M tokens | 400K tokens |
| Max output | 128K tokens | 128K 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-5 |
|---|---|---|
| Developer | Anthropic | OpenAI |
| Released | Feb 2026 | Aug 2025 |
| Parameters | No data | No data |
| Tokenizer | Claude | GPT |
| Knowledge cutoff | No data | 2024-09-30 |
| OpenRouter ID | anthropic/claude-sonnet-4.6 | openai/gpt-5 |
| References | No data | No data |
This report only uses LMSpeed data for Claude Sonnet 4.6 and GPT-5: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
Claude Sonnet 4.6
Claude Sonnet 4.6 is stronger in benchmark categories (Agents, Coding, Knowledge) and operational dimensions (First-token latency, Provider coverage).
GPT-5
GPT-5 is stronger in benchmark categories (Reasoning, Math, Instruction following) and operational dimensions (Cheapest input price, Average speed, 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
53.2
Avg. score
GPT-5
51.9
Claude Sonnet 4.6 leads by 7.9
Claude Sonnet 4.6 leads by 7.1
GPT-5 leads by 1.7
Claude Sonnet 4.6 leads by 20.7
GPT-5 leads by 8.4
No data
Claude Sonnet 4.6
GPT-5 leads by 9.3
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
Claude Sonnet 4.6
$3.00/M
Rank #137/162 · confidence 4
GPT-5
winner$1.25/M
Rank #107/162 · confidence 4
Claude Sonnet 4.6
$6.00/M
Rank #137/162 · confidence 4
GPT-5
winner$3.44/M
Rank #117/162 · confidence 4
Claude Sonnet 4.6
$15.00/M
Rank #136/162 · confidence 4
GPT-5
winner$10.00/M
Rank #120/162 · confidence 4
Claude Sonnet 4.6
57.7
Rank #63/89 · confidence 3 · eval date 2026-02-01
GPT-5
winner75.6
Rank #2/89 · confidence 1 · eval date 2025-08-07
Claude Sonnet 4.6
0.9
Rank #60/73 · confidence 3 · eval date 2026-02-01
GPT-5
winner5.7
Rank #30/73 · confidence 1 · eval date 2025-08-07
Claude Sonnet 4.6
winner87.5%
Rank #31/188 · confidence 4
GPT-5
67.3%
Rank #121/188 · confidence 4
Claude Sonnet 4.6
winner30.0%
Rank #31/187 · confidence 4
GPT-5
5.4%
Rank #132/187 · confidence 4
Claude Sonnet 4.6
79.2%
Rank #68/125 · confidence 3 · eval date 2026-02-01
GPT-5
winner80.6%
Rank #57/125 · confidence 4
Claude Sonnet 4.6
winner51.5
Rank #7/33 · confidence 3 · eval date 2026-02-01
GPT-5
20.1
Rank #22/33 · confidence 1 · eval date 2025-08-07
Claude Sonnet 4.6
winner46.8%
Rank #29/185 · confidence 4
GPT-5
38.8%
Rank #83/185 · confidence 4
Claude Sonnet 4.6
winner46.9
Rank #33/96 · confidence 3 · eval date 2026-02-01
GPT-5
42.9
Rank #46/96 · confidence 1 · eval date 2025-08-07
Claude Sonnet 4.6
38.0
Rank #29/90 · confidence 3 · eval date 2026-02-01
GPT-5
winner40.7
Rank #20/90 · confidence 1 · eval date 2025-08-07
Claude Sonnet 4.6
65.9
Rank #57/90 · confidence 3 · eval date 2026-02-01
GPT-5
winner82.1
Rank #31/90 · confidence 1 · eval date 2025-08-07
Claude Sonnet 4.6
13.2
Rank #63/96 · confidence 3 · eval date 2026-02-01
GPT-5
winner26.5
Rank #39/96 · confidence 1 · eval date 2025-08-07
Claude Sonnet 4.6
winner35.9
Rank #43/99 · confidence 3 · eval date 2026-02-01
GPT-5
34.7
Rank #48/99 · confidence 1 · eval date 2025-08-07
Claude Sonnet 4.6
79.9
Rank #63/96 · confidence 3 · eval date 2026-02-01
GPT-5
winner85.4
Rank #45/96 · confidence 1 · eval date 2025-08-07
Claude Sonnet 4.6
winner1314.0
Rank #8/66 · confidence 3 · eval date 2026-02-01
GPT-5
1214.0
Rank #40/66 · confidence 1 · eval date 2025-08-07
Claude Sonnet 4.6
70.6
Rank #40/57 · confidence 3 · eval date 2026-02-01
GPT-5
winner74.2
Rank #32/57 · confidence 1 · eval date 2025-08-07
Claude Sonnet 4.6
41.2
Rank #69/86 · confidence 3 · eval date 2026-02-01
GPT-5
winner73.1
Rank #29/86 · confidence 1 · eval date 2025-08-07
Claude Sonnet 4.6
winner36.9
Rank #5/20 · confidence 3 · eval date 2026-02-01
GPT-5
8.5
Rank #20/20 · confidence 1 · eval date 2025-08-07
Claude Sonnet 4.6
79.5
Rank #55/84 · confidence 3 · eval date 2026-02-01
GPT-5
winner84.8
Rank #44/84 · confidence 1 · eval date 2025-08-07
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | Claude Sonnet 4.6 | GPT-5 |
|---|---|---|
Winner: Claude Sonnet 4.6 | Claude Sonnet 4.6 claude-sonnet-4-6 Audit score 89 56100100100 | GPT-5 gpt-5 No audit 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-5 |
|---|---|---|
25 tests | Claude Sonnet 4.6 speed / latency 40 tok/s / 3145ms input / output No data | GPT-5 speed / latency N/A / N/A input / output No data |
20 tests | Claude Sonnet 4.6 speed / latency N/A / N/A input / output No data | GPT-5 speed / latency 95 tok/s / 1234ms input / output No data |
12 tests | Claude Sonnet 4.6 speed / latency 39 tok/s / 5723ms input / output No data | GPT-5 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-5 speed / latency 46 tok/s / 6577ms input / output No data |
10 tests | Claude Sonnet 4.6 speed / latency 41 tok/s / 3714ms input / output No data | GPT-5 speed / latency N/A / N/A input / output No data |
Claude Sonnet 4.6 claude-sonnet-4-6 speed / latency No data input / output $0.288/M/$1.44/M | GPT-5 gpt-5 speed / latency No data input / output $0/M | |
Claude Sonnet 4.6 claude-sonnet-4-6 speed / latency No data input / output $0/request | GPT-5 gpt-5-chat-latest speed / latency No data input / output $0/request |
Weighted outcome: GPT-5. 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 inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning |
|---|
