Claude Haiku 4.5 is Anthropic’s fastest and most efficient model, delivering near-frontier intelligence at a fraction of the cost and latency of larger Claude models. Matching Claude Sonnet 4’s performance across reasoning, coding, and comp…
Model details →Anthropic: Claude Haiku 4.5 vs Perplexity: Sonar Pro
Anthropic: Claude Haiku 4.5 wins on 4 of 6 axes — pricing and capability skew in its favour for most workloads.
Note: Sonar Pro pricing includes Perplexity search pricing. See [details here](https://docs.perplexity.ai/guides/pricing#detailed-pricing-breakdown-for-sonar-reasoning-pro-and-sonar-pro) For enterprises seeking more advanced capabilities, …
Model details →Side-by-side comparison
| Capability | Anthropic: Claude Haiku 4.5 | Perplexity: Sonar Pro | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 200K | 200K | Tie |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $1.00 | $3.00 | 🏆 Anthropic: Claude Haiku 4.5 |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $5.00 | $15.00 | 🏆 Anthropic: Claude Haiku 4.5 |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | — | 🏆 Anthropic: Claude Haiku 4.5 |
| Vision input Accepts image inputs alongside text. | Yes | Yes | Tie |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | — | 🏆 Anthropic: Claude Haiku 4.5 |
Frequently asked questions
Is Anthropic: Claude Haiku 4.5 better than Perplexity: Sonar Pro?
Anthropic: Claude Haiku 4.5 wins on 4 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between Anthropic: Claude Haiku 4.5 and Perplexity: Sonar Pro?
Input: $1.00 vs $3.00 per 1M tokens. Output: $5.00 vs $15.00 per 1M tokens.
What context windows do Anthropic: Claude Haiku 4.5 and Perplexity: Sonar Pro support?
Anthropic: Claude Haiku 4.5 supports up to 200K tokens. Perplexity: Sonar Pro supports up to 200K tokens.
Do both Anthropic: Claude Haiku 4.5 and Perplexity: Sonar Pro support tool calling?
Anthropic: Claude Haiku 4.5: yes. Perplexity: Sonar Pro: not advertised.