Data points: 74
The readout for Claude Sonnet 4.6 and Kat Coder Pro V2, 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 0.
Evidence depth
74 data points
Includes 6 benchmark rows, 0 audit samples, and 5 provider examples.
Selection signal
Start with Claude Sonnet 4.6
The charts below split 11 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.
Model compare Claude Sonnet 4.6 vs Kat Coder Pro V2claude-sonnet-4-6-vs-kat-coder-pro-v2 | Model A Claude Sonnet 4.6 | Model B Kat Coder Pro V2 |
|---|---|---|
| Overall leader | Leading | Contender |
| Verified metric wins | 4 wins | 0 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.
Compare benchmark category scores on a 0-100 scale. Select a category to inspect the gap.
Avg. score
Claude Sonnet 4.6
51.5
Avg. score
Kat Coder Pro V2
44.6
Selected category
Coding
Claude Sonnet 4.6 leads by 15.6
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
Claude Sonnet 4.6
$6.00/M
Rank #143/167 · confidence 4
Kat Coder Pro V2
winner$0.525/M
Rank #43/167 · confidence 4
Claude Sonnet 4.6
$15.00/M
Rank #142/167 · confidence 4
Kat Coder Pro V2
winner$1.20/M
Rank #45/167 · confidence 4
Claude Sonnet 4.6
$3.00/M
Rank #143/167 · confidence 4
Kat Coder Pro V2
winner$0.300/M
Rank #47/167 · confidence 4
Claude Sonnet 4.6
winner87.5%
Rank #29/187 · confidence 4
Kat Coder Pro V2
85.5%
Rank #41/187 · confidence 4
Claude Sonnet 4.6
winner30.0%
Rank #29/186 · confidence 4
Kat Coder Pro V2
16.0%
Rank #66/186 · confidence 4
Claude Sonnet 4.6
winner46.8%
Rank #27/184 · confidence 4
Kat Coder Pro V2
38.3%
Rank #87/184 · confidence 4
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | Claude Sonnet 4.6 | Kat Coder Pro V2 |
|---|---|---|
| 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 | Kat Coder Pro V2 |
|---|---|---|
0 tests | Claude Sonnet 4.6 speed / latency N/A / N/A input / output No data | Kat Coder Pro V2 |
This report only uses LMSpeed data for Claude Sonnet 4.6 and Kat Coder Pro V2: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | Claude Sonnet 4.6 | Kat Coder Pro V2 |
|---|---|---|
| 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. | Kat Coder Pro V2 Kat Coder Pro V2 does not clearly lead on the verified metrics here, so check provider-specific pricing before choosing. |
TL;DR: Claude Sonnet 4.6 leads across 74 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from Claude Sonnet 4.6 vs Kat Coder Pro V2 into nearby model comparisons with enough verified LMSpeed data.
| No data |
| Model metadata | Claude Sonnet 4.6 exposes 1M tokens; notable signals: Text input, Image input, File input, Text output. | Kat Coder Pro V2 exposes 256K tokens; notable signals: Text input, Text output, Tool calling, Structured outputs. |
|---|---|---|
| Developer | Anthropic | Kwaipilot |
| Context window | 1M tokens | 256K tokens |
| Max output | 128K tokens | 80K tokens |
| Released | Feb 2026 | Mar 2026 |
| Modalities | Input TextImageFile Output Text | Input Text Output Text |
| Features | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning | Text inputText outputTool callingStructured outputsJSON mode |
| Parameters | No data | No data |
| Tokenizer | Claude | Other |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | anthropic/claude-sonnet-4.6 | kwaipilot/kat-coder-pro-v2 |
| References | No data | No data |
speed / latency
N/A / N/A
input / output
No data
AI API0 tests | Claude Sonnet 4.6 speed / latency N/A / N/A input / output No data | Kat Coder Pro V2 speed / latency N/A / N/A input / output No data |
|---|
Dext API0 tests | Claude Sonnet 4.6 anthropic/claude-sonnet-4.6 speed / latency N/A / N/A input / output $0.246/M/$1.23/M | Kat Coder Pro V2 kwaipilot/kat-coder-pro-v2 speed / latency N/A / N/A input / output $0.012/M/$0.049/M |
|---|
Futureppo0 tests | Claude Sonnet 4.6 speed / latency N/A / N/A input / output No data | Kat Coder Pro V2 speed / latency N/A / N/A input / output No data |
|---|
OpenRouter0 tests | Claude Sonnet 4.6 speed / latency N/A / N/A input / output No data | Kat Coder Pro V2 speed / latency N/A / N/A input / output No data |
|---|
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
