LLM Comparison
Sonar Pro vs Claude Opus 4.6 (Fast)
Side-by-side specs, pricing & capabilities · Updated April 2026
Add to comparison
2/6 modelsSame tier:
S Sonar Pro |  Claude Opus 4.6 (Fast) | |
|---|---|---|
| Organization | Perplexity AI |  Anthropic |
| OpenTools Score | 73 0.8 | |
| Family | Sonar | Claude |
| Status | Current | Current |
| Release Date | Mar 2025 | Apr 2026 |
| Context Window | 200K tokens | 1.0M tokens |
| Input Price | $3.00/M tokens | $30.00/M tokens |
| Output Price | $15.00/M tokens | $150.00/M tokens |
| Pricing Notes | — | Cache read: $3.0000/M tokens |
| Capabilities | textvisioncode | textvisioncodetool-use |
| Max Output | 8K tokens | 128K tokens |
| API Identifier | perplexity/sonar-pro | anthropic/claude-opus-4.6-fast |
| Benchmarks | ||
| MMLU | 83 | 89.8 |
| HumanEval | — | 91.5 |
| MATH | — | 84.9 |
| GPQA | — | 72.4 |
| View Sonar Pro | View Claude Opus 4.6 (Fast) | |
Cost Calculator
Enter your expected monthly token usage to compare costs.
| Model | Input | Output | Total / mo | vs Best |
|---|---|---|---|---|
| Sonar ProCheapest | $3.00 | $7.50 | $10.50 | — |
| Claude Opus 4.6 (Fast) | $30.00 | $75.00 | $105.00 | +900% |
Perplexity AI
Sonar Pro
Sonar Pro is a multimodal llm from Perplexity AI. Supports up to 200,000 token context window. Achieves 83.0% on MMLU. Available from $3.00/M input tokens.
Anthropic
Claude Opus 4.6 (Fast)
Claude Opus 4.6 (Fast) is a multimodal llm from Anthropic. Supports up to 1,000,000 token context window. Achieves 89.8% on MMLU. Available from $30.00/M input tokens.
More Comparisons
Looking for more AI models?
Browse All LLMs