Data points: 66
Model compare
The readout for Claude Sonnet 4.6 and GPT Image 2, 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 100 to 0.
Evidence depth
66 data points
Includes 0 benchmark rows, 1 audit samples, and 7 provider examples.
Selection signal
Start with Claude Sonnet 4.6
The charts below split 8 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 Image 2: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | Claude Sonnet 4.6 | GPT Image 2 |
|---|---|---|
| Overall leader | Leading | Contender |
| Weighted overall score | 100.0 pts | 0.0 pts |
| Benchmark category leads | 0 categories | 0 categories |
| Operational advantages | Cheapest input price, Free providers, Provider coverage | No data |
| Context window | 1M tokens | 400K tokens |
| Max output | 128K tokens | No data |
| 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 Image 2 |
|---|---|---|
| Developer | Anthropic | OpenAI |
| Released | Feb 2026 | Jun 2026 |
| Parameters | No data | No data |
| Tokenizer | Claude | GPT |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | anthropic/claude-sonnet-4.6 | openai/gpt-image-2 |
| References | No data | No data |
This report only uses LMSpeed data for Claude Sonnet 4.6 and GPT Image 2: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
Claude Sonnet 4.6
Claude Sonnet 4.6 has these operational advantages: Cheapest input price, Free providers, Provider coverage.
GPT Image 2
GPT Image 2 does not clearly lead in the benchmark or operational dimensions shared by both models.
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 Image 2
-
Claude Sonnet 4.6
Claude Sonnet 4.6
Claude Sonnet 4.6
Claude Sonnet 4.6
Claude Sonnet 4.6
No data
Claude Sonnet 4.6
Claude Sonnet 4.6
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
No shared professional benchmark scores are available yet.
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | Claude Sonnet 4.6 | GPT Image 2 |
|---|---|---|
Winner: Claude Sonnet 4.6 | Claude Sonnet 4.6 claude-sonnet-4-6 Audit score 94 76100100100 | GPT Image 2 gpt-image-2 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 Image 2 |
|---|---|---|
25 tests | Claude Sonnet 4.6 speed / latency 40 tok/s / 3145ms input / output No data | GPT Image 2 speed / latency N/A / N/A input / output No data |
10 tests | Claude Sonnet 4.6 speed / latency 41 tok/s / 3714ms input / output No data | GPT Image 2 speed / latency N/A / N/A input / output No data |
5 tests | Claude Sonnet 4.6 speed / latency 43 tok/s / 2401ms input / output No data | GPT Image 2 speed / latency N/A / N/A input / output No data |
5 tests | Claude Sonnet 4.6 speed / latency 46 tok/s / 3187ms input / output No data | GPT Image 2 speed / latency N/A / N/A input / output No data |
5 tests | Claude Sonnet 4.6 speed / latency 55 tok/s / 2094ms input / output No data | GPT Image 2 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/M/$0/M | GPT Image 2 gpt-image-2 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 Image 2 gpt-image-2 speed / latency No data input / output $0.490/request |
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 inputImage inputImage outputStructured outputsJSON mode |
|---|
