Claude Fable 5 vs Sonar Deep Research
Cost and capability comparison. For a sample workload of 1,000 input and 500 output tokens across 100,000 requests/month, Sonar Deep Research is cheaper by about $2,900.00/month.
| Claude Fable 5 | Sonar Deep Research | |
|---|---|---|
| Provider | anthropic | perplexity |
| Input / 1M | $10.00 | $2.00 |
| Output / 1M | $50.00 | $8.00 |
| Per request (sample) | $0.0350 | $0.00600 |
| Monthly (sample) | $3,500.00 | $600.00 |
| Context window | 1,000,000 | 128,000 |
| Vision | No | No |
| Reasoning | Yes | Yes |
| Arena · Overall | 1454 | — |
| Arena · Coding | 1629 | — |
| Arena · Math & reasoning | 1448 | — |
| Arena · Agentic / tool use | 1452 | — |
Intelligence scores are community Arena ratings from LMArena / arena.ai, used under CC BY 4.0. Snapshot last refreshed 28 July 2026. Scores are a relative signal, not an absolute measure of capability. A Measured score was voted on directly; an Estimated score is inherited from an identical base model (a regional/creator-prefixed hosting duplicate). See our methodology.
Compare on your own workload
Claude Fable 5 and Sonar Deep Research are pre-loaded. Adjust the tokens and monthly volume to see which is cheaper for your usage.
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| Sonar Deep Research | Perplexity | $0.00600 | $600.00 | $7,200.00 | 128,000 |
| Claude Fable 5 | Anthropic | $0.0350 | $3,500.00 | $42,000.00 | 1,000,000 |
FAQ
Which is cheaper, Claude Fable 5 or Sonar Deep Research?
For a workload of 1,000 input and 500 output tokens over 100,000 requests/month, Sonar Deep Research is cheaper, costing about $600.00/month versus $3,500.00/month.
What is the context window of Claude Fable 5 and Sonar Deep Research?
Claude Fable 5 supports 1,000,000 tokens, while Sonar Deep Research supports 128,000 tokens.
Estimates for planning only. Verify current pricing with each provider.