Anthropic Claude Sonnet Latest vs o3 Pro
How do these models stack up? Below is an expert side-by-side comparison of specifications, context window capacity, live pricing per million tokens, and standardized benchmark scores for Anthropic Claude Sonnet Latest and o3 Pro.
Anthropic Claude Sonnet Latest
This model always redirects to the latest model in the Anthropic Claude Sonnet family.
o3 Pro
The o-series of models are trained with reinforcement learning to think before they answer and perform complex reasoning. The o3-pro model uses more compute to think harder and provide consistently...
Technical Specifications
| Specification | Anthropic Claude Sonnet Latest | o3 Pro |
|---|---|---|
| Provider | Anthropic | OpenAI |
| Context Window | 1,000,000 tokens | 200,000 tokens |
| Agent Suitability | N/A | N/A |
| Time to First Token (TTFT) | N/A | N/A |
| Deployment Model | managed api | managed api |
| Production Stability | beta | stable |
| API Available | Yes | Yes |
| Released Date | 2026-04-27 | 2025-06-10 |
API Pricing Comparison
Input Price per Million Tokens
Anthropic Claude Sonnet Latest
$2.00
o3 Pro
$20.00
Output Price per Million Tokens
Anthropic Claude Sonnet Latest
$10.00
o3 Pro
$80.00
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Benchmark Performance Metrics
Scores show the raw performance percentages verified across key evaluation suites. Higher bars indicate superior accuracy and capability in that domain.
Anthropic Claude Sonnet Latest Quirks & Gotchas
No developer gotchas reported.
o3 Pro Quirks & Gotchas
No developer gotchas reported.