Model comparison
Claude Haiku 5.5 vs Sonar Pro
Claude Haiku 5.5 has enough public results to be ranked (#52); Sonar Pro does not yet, so treat this comparison as directional.
Last verified . 0 shared benchmarks.
PerplexitySummary
- Claude Haiku 5.5 is cheaper at $0.10 / $0.50 per million input/output tokens, against $3 / $15 for Sonar Pro.
- Claude Haiku 5.5 accepts more context: 1M tokens versus 200K.
Side by side
| Claude Haiku 5.5 | Sonar Pro | |
|---|---|---|
| Provider | Anthropic | Perplexity |
| Noometry Index | 49.5 | — |
| Released | 2026-10-07 | 2024-01-01 |
| Weights | Proprietary | Proprietary |
| Context window | 1M | 200K |
| Max output | 128K | 8K |
| Input $ / M tokens | $0.10 | $3 |
| Output $ / M tokens | $0.50 | $15 |
| Results tracked | 9 | 1 |
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Category by category
Coding Not comparable
Claude Haiku 5.5: 49.2 (#50), Sonar Pro: —
| Benchmark | Claude Haiku 5.5 | Sonar Pro |
|---|---|---|
| LMArena WebDev | 1587 | — |
Agentic & Tool Use Not comparable
Claude Haiku 5.5: —, Sonar Pro: —
| Benchmark | Claude Haiku 5.5 | Sonar Pro |
|---|---|---|
| LMArena Search | — | 1130 |
Reasoning Not comparable
Claude Haiku 5.5: 35.2 (#69), Sonar Pro: —
| Benchmark | Claude Haiku 5.5 | Sonar Pro |
|---|---|---|
| NYT Connections (extended) | 65.7% | — |
| Mystery Game Puzzles | 30% | — |
Math Not comparable
Claude Haiku 5.5: 73.6 (#18), Sonar Pro: —
| Benchmark | Claude Haiku 5.5 | Sonar Pro |
|---|---|---|
| FrontierMath (Tiers 1-3) | 75.1% | — |
| FrontierMath Tier 4 | 46.3% | — |
| OTIS Mock AIME 2024-2025 | 98.9% | — |
Knowledge Not comparable
Claude Haiku 5.5: 50.8 (#70), Sonar Pro: —
| Benchmark | Claude Haiku 5.5 | Sonar Pro |
|---|---|---|
| GPQA Diamond | 89.6% | — |
| SimpleQA Verified | 23.8% | — |
Multimodal Not comparable
Claude Haiku 5.5: 43.7 (#21), Sonar Pro: —
| Benchmark | Claude Haiku 5.5 | Sonar Pro |
|---|---|---|
| Furniture Assembly | 47.5% | — |
Frequently asked questions
Is Claude Haiku 5.5 better than Sonar Pro?
Claude Haiku 5.5 has enough public results to be ranked (#52); Sonar Pro does not yet, so treat this comparison as directional.
Which is cheaper, Claude Haiku 5.5 or Sonar Pro?
Claude Haiku 5.5 is cheaper. It lists at $0.10 per million input tokens and $0.50 per million output tokens; Sonar Pro lists at $3 and $15.
Which has the bigger context window?
Claude Haiku 5.5 does, with 1M tokens against 200K.
How many benchmarks do Claude Haiku 5.5 and Sonar Pro share?
0 benchmarks have published results for both models. Claude Haiku 5.5 has 9 scored results on Noometry and Sonar Pro has 1.