Data points: 58
Model compare
The readout for Claude Sonnet 4.6 and Sonar Pro Search, 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
58 data points
Includes 0 benchmark rows, 0 audit samples, and 6 provider examples.
Selection signal
Start with Claude Sonnet 4.6
The charts below split 6 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 Sonar Pro Search: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | Claude Sonnet 4.6 | Sonar Pro Search |
|---|---|---|
| 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 | 200K tokens |
| Max output | 128K tokens | 8K 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 | Sonar Pro Search |
|---|---|---|
| Developer | Anthropic | Perplexity |
| Released | Feb 2026 | Oct 2025 |
| Parameters | No data | No data |
| Tokenizer | Claude | Other |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | anthropic/claude-sonnet-4.6 | perplexity/sonar-pro-search |
| References | No data | No data |
This report only uses LMSpeed data for Claude Sonnet 4.6 and Sonar Pro Search: 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.
Sonar Pro Search
Sonar Pro Search 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
Sonar Pro Search
-
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.
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 | Sonar Pro Search |
|---|---|---|
| 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 | Sonar Pro Search |
|---|---|---|
0 tests | Claude Sonnet 4.6 speed / latency N/A / N/A input / output No data | Sonar Pro Search speed / latency N/A / N/A input / output No data |
0 tests | Claude Sonnet 4.6 speed / latency N/A / N/A input / output No data | Sonar Pro Search speed / latency N/A / N/A input / output No data |
0 tests | Claude Sonnet 4.6 speed / latency N/A / N/A input / output No data | Sonar Pro Search speed / latency N/A / N/A input / output No data |
0 tests | Claude Sonnet 4.6 speed / latency N/A / N/A input / output No data | Sonar Pro Search speed / latency N/A / N/A input / output No data |
0 tests | Claude Sonnet 4.6 speed / latency N/A / N/A input / output No data | Sonar Pro Search speed / latency N/A / N/A input / output No data |
Claude Sonnet 4.6 claude-sonnet-4-6 speed / latency No data input / output $5.14/M/$25.70/M | Sonar Pro Search perplexity/sonar-pro-search speed / latency No data input / output $38.18/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 inputImage inputText outputStructured outputsWeb searchReasoning |
|---|
Claude Sonnet 4.6
Claude Sonnet 4.6
No data
Claude Sonnet 4.6
Claude Sonnet 4.6
