Claude Sonnet 5 vs Sonar Pro (Comparative Analysis)
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Comparative Analysis: Claude Sonnet 5 vs. Sonar Pro
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Overview
Sonar Pro was released 1 year before Claude Sonnet 5.
 Claude Sonnet 5 |  Sonar Pro | |
|---|---|---|
Model Provider The organization behind this AI's development | Anthropic | Perplexity |
Input Context Window Maximum input tokens this model can process at once | 1M tokens | 200K tokens |
Output Token Limit Maximum output tokens this model can generate at once | 128K tokens | 8K tokens |
Release Date When this model first became publicly available | June 30, 2026 27 days ago June 30th, 2026 | March 7, 2025 1 year ago March 7th, 2025 |
Capabilities & Features
Compare supported features, modalities, and advanced capabilities
Claude Sonnet 5 | Sonar Pro | |
|---|---|---|
Input Types Supported input formats | 📝Text🖼️Image📁File | 📝Text🖼️Image |
Reasoning Controls Defaults and configurable reasoning effort | Enabled by defaultEffort: Max, Extra High, High, Medium, LowDefault: High | Not reported |
Output Types Supported output formats | 📝Text | 📝Text |
Tokenizer Text encoding system | Claude | Other |
Key Features Advanced capabilities | ✓Function Calling✓Structured Output✓Reasoning Mode✓Content Moderation | Function CallingStructured OutputReasoning ModeContent Moderation |
Pricing
Claude Sonnet 5 is roughly 0.7x less expensive compared to Sonar Pro for input tokens and roughly 0.7x less expensive for output tokens.
| Claude Sonnet 5 | Sonar Pro | |
|---|---|---|
Input Token Cost Cost per million input tokens | $2.00 per million tokens | $3.00 per million tokens |
Output Token Cost Cost per million output tokens | $10.00 per million tokens | $15.00 per million tokens |
Web Search Cost Additional cost for each web search operation | $0.01 per search | $0.005 per search |
Cache Read Cost Cost to reuse cached input tokens | $0.20 per million tokens | Not specified |
Cache Write Cost Cost to write input tokens to the cache | $2.50 per million tokens | Not specified |
1-Hour Cache Write Cost Cost to cache input tokens for one hour | $4.00 per million tokens | Not specified |
Benchmarks
Compare relevant benchmarks between Claude Sonnet 5 and Sonar Pro.
| Claude Sonnet 5 | Sonar Pro | |
|---|---|---|
Intelligence Index Overall model quality across independent evaluations | 53.4 (Artificial Analysis index; higher is better) | Benchmark not available. |
Coding Index Programming performance across independent evaluations | 71.5 (Artificial Analysis index; higher is better) | Benchmark not available. |
Agentic Index Ability to complete multi-step agentic tasks | 46.7 (Artificial Analysis index; higher is better) | Benchmark not available. |
Best Design Arena Score Highest human-preference Elo score across design arenas | 1,345 Elo (#3 in Game Dev (59.9% win rate)) | Benchmark not available. |
At a Glance
Quick overview of what makes Claude Sonnet 5 and Sonar Pro unique.
Claude Sonnet 5 by Anthropic understands both text and images, can use external tools and APIs, offers advanced reasoning, generates structured data. It can handle standard conversations with its 1M token context window. Reasonably priced at $2.00/M input and $10.00/M output tokens. Includes built-in content moderation for safer outputs. Released June 30th, 2026.Sonar Pro by Perplexity understands both text and images. It can handle standard conversations with its 200K token context window. Premium pricing at $3.00/M input and $15.00/M output tokens. Released March 7th, 2025.Explore More Comparisons
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