| Signal | Anthropic Claude Haiku Latest | Delta | Sonar Reasoning Pro |
|---|---|---|---|
Capabilities | 100 | +33 | |
Pricing | 95 | +3 | |
Context window size | 84 | +3 | |
Recency | 100 | +45 | |
Output Capacity | 80 | +60 | |
| Overall Result | 5 wins | of 5 | 0 wins |
Score History
40
current score
Tied
right now
40
current score
~anthropic
Perplexity
Anthropic Claude Haiku Latest saves you $250.00/month
That's $3000.00/year compared to Sonar Reasoning Pro at your current usage level of 100K calls/month.
| Metric | Anthropic Claude Haiku Latest | Sonar Reasoning Pro | Winner |
|---|---|---|---|
| Overall Score | 40 | 40 | -- |
| Rank | #191 | #283 | Anthropic Claude Haiku Latest |
| Quality Rank | #191 | #283 | Anthropic Claude Haiku Latest |
| Adoption Rank | #191 | #283 | Anthropic Claude Haiku Latest |
| Parameters | -- | -- | -- |
| Context Window | 200K | 128K | Anthropic Claude Haiku Latest |
| Pricing | $1.00/$5.00/M | $2.00/$8.00/M | -- |
| Signal Scores | |||
| Capabilities | 100 | 67 | Anthropic Claude Haiku Latest |
| Pricing | 95 | 92 | Anthropic Claude Haiku Latest |
| Context window size | 84 | 81 | Anthropic Claude Haiku Latest |
| Recency | 100 | 55 | Anthropic Claude Haiku Latest |
| Output Capacity | 80 | 20 | Anthropic Claude Haiku Latest |
Our score (0-100) is driven by benchmark performance (90%) from Arena Elo ratings, MMLU, GPQA, HumanEval, SWE-bench, and 15+ standardized evaluations. Capabilities and context window serve as tiebreakers (10%). Learn more about our methodology.
Scores 40/100 (rank #191), placing it in the top 34% of all 290 models tracked.
Scores 40/100 (rank #283), placing it in the top 3% of all 290 models tracked.
With only a 0-point gap, these models are in the same performance tier. The practical difference in output quality is minimal - your choice should depend on pricing, latency requirements, and specific feature needs.
Anthropic Claude Haiku Latest offers 40% better value per quality point. At 1M tokens/day, you'd spend $90.00/month with Anthropic Claude Haiku Latest vs $150.00/month with Sonar Reasoning Pro - a $60.00 monthly difference.
Both models have comparable response speeds. For most applications, the latency difference is negligible.
When latency matters most: Interactive chatbots, IDE code completion, real-time translation, and user-facing applications where response time directly impacts experience. For batch processing, background summarization, or offline analysis, latency is less critical.
Code generation & review
Based on overall model capabilities and architecture for coding tasks like generating functions, debugging, and refactoring
Customer support chatbot
Suitable for user-facing chat with competitive response times. Anthropic Claude Haiku Latest also offers lower per-token costs for high-volume support
Long document analysis
Larger context window (200K tokens) can process longer documents, contracts, and research papers in a single pass
Batch data extraction
Lower output pricing ($5.00/M) reduces costs when processing thousands of records daily
Creative writing & content
Higher overall composite score (40/100) correlates with better nuance, coherence, and style in long-form content
Image understanding & OCR
Supports vision input - can analyze screenshots, diagrams, photos, and scanned documents directly
Anthropic Claude Haiku Latest and Sonar Reasoning Pro are extremely close in overall performance (only 0 points apart). Your best choice depends entirely on which specific strengths matter most for your use case.
Best for Quality
Anthropic Claude Haiku Latest
Marginally better benchmark scores; both are excellent
Best for Cost
Anthropic Claude Haiku Latest
40% lower pricing; better value at scale
Best for Reliability
Anthropic Claude Haiku Latest
Higher uptime and faster response speeds
Best for Prototyping
Anthropic Claude Haiku Latest
Stronger community support and better developer experience
Best for Production
Anthropic Claude Haiku Latest
Wider enterprise adoption and proven at scale
by ~anthropic
| Capability | Anthropic Claude Haiku Latest | Sonar Reasoning Pro |
|---|---|---|
| Vision (Image Input) | ||
| Function Callingdiffers | ||
| Streaming | ||
| JSON Modediffers | ||
| Reasoning | ||
| Web Search | ||
| Image Output |
~anthropic
Perplexity
Anthropic Claude Haiku Latest saves you $5.40/month
That's 41% cheaper than Sonar Reasoning Pro at 1,000 tokens/request and 100 requests/day.
Assumes 60% input / 40% output token ratio per request. Actual costs may vary based on your usage pattern.
| Parameter | Anthropic Claude Haiku Latest | Sonar Reasoning Pro |
|---|---|---|
| Context Window | 200K | 128K |
| Max Output Tokens | 64,000 | -- |
| Open Source | No | No |
| Created | Apr 27, 2026 | Mar 7, 2025 |