Data points: 61
The readout for Claude Sonnet 4.6 and Grok-2, before the detailed comparison sheet.
Decision read
Claude Sonnet 4.6
Claude Sonnet 4.6 currently has the stronger profile, with verified wins split 4 to 2.
Evidence depth
61 data points
Includes 3 benchmark rows, 0 audit samples, and 9 provider examples.
Selection signal
Start with Claude Sonnet 4.6
The charts below split 12 high-signal samples across speed, scores, and audit health.
Model compare Claude Sonnet 4.6 vs Grok-2claude-sonnet-4-6-vs-grok-2 | Model A Claude Sonnet 4.6 | Model B Grok-2 |
|---|---|---|
| Overall leader | Leading | Contender |
| Verified metric wins | 4 wins | 2 wins |
| Where it leads | Cheapest input price, Free providers, Provider coverage, Recent tests |
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
| Metric | Claude Sonnet 4.6 | Grok-2 |
|---|---|---|
| SciCode | 46.9%#16 |
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | Claude Sonnet 4.6 | Grok-2 |
|---|---|---|
| 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 | Grok-2 |
|---|---|---|
5 tests | Claude Sonnet 4.6 speed / latency 20 tok/s / 8427ms input / output No data |
This report only uses LMSpeed data for Claude Sonnet 4.6 and Grok-2: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | Claude Sonnet 4.6 | Grok-2 |
|---|---|---|
| When to choose each model | Claude Sonnet 4.6 Claude Sonnet 4.6 is stronger when you prioritize Cheapest input price, Free providers, Provider coverage, Recent tests. | Grok-2 Grok-2 is stronger when you prioritize Average speed, First-token latency. |
TL;DR: Claude Sonnet 4.6 leads across 61 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from Claude Sonnet 4.6 vs Grok-2 into nearby model comparisons with enough verified LMSpeed data.
| Average speed, First-token latency |
| Model metadata | Claude Sonnet 4.6 exposes 1M tokens; notable signals: Text input, Image input, File input, Text output. | No OpenRouter metadata is available yet for this model. |
|---|---|---|
| Developer | Anthropic | No data |
| Context window | 1M tokens | No data |
| Max output | 128K tokens | No data |
| Released | Feb 2026 | No data |
| Modalities | Input TextImageFile Output Text | No data |
| Features | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning | None listed |
| Parameters | No data | No data |
| Tokenizer | Claude | No data |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | anthropic/claude-sonnet-4.6 | No data |
| References | No data | No data |
| GPQA | 79.9%#58 | 51.0%#120 |
|---|
| HLE | 13.2%#58 | 3.8%#97 |
|---|
Grok-2
speed / latency
N/A / N/A
input / output
No data
AIGCBAR0 tests | Claude Sonnet 4.6 speed / latency N/A / N/A input / output No data | Grok-2 speed / latency N/A / N/A input / output No data |
|---|
AIO通用智能服务平台0 tests | Claude Sonnet 4.6 speed / latency N/A / N/A input / output No data | Grok-2 speed / latency N/A / N/A input / output No data |
|---|
APDSM0 tests | Claude Sonnet 4.6 speed / latency N/A / N/A input / output No data | Grok-2 speed / latency N/A / N/A input / output No data |
|---|
CHB API0 tests | Claude Sonnet 4.6 claude-sonnet-4-6 speed / latency N/A / N/A input / output $0.041/M / $0.205/M | Grok-2 grok-2 speed / latency N/A / N/A input / output $0.041/M / $0.205/M |
|---|
Claude Sonnet 4.6 claude-sonnet-4-6 speed / latency No data input / output $0.123/M / $0.616/M | Grok-2 grok-beta speed / latency No data input / output $0.205/M / $0.205/M |
Claude Sonnet 4.6 claude-sonnet-4-6 speed / latency No data input / output $0.411/M / $2.05/M | Grok-2 grok-beta speed / latency No data input / output $0.274/M / $0.274/M |
Claude Sonnet 4.6 claude-sonnet-4-6 speed / latency No data input / output $0.411/M / $2.05/M | Grok-2 grok-2-1212 speed / latency No data input / output $10.27/M / $10.27/M |
Claude Sonnet 4.6 claude-sonnet-4-6 speed / latency No data input / output $0.411/M / $2.05/M | Grok-2 grok-2 speed / latency No data input / output $10.27/M / $10.27/M |
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
