Anthropic Claude Sonnet Latest vs Claude Opus 4.1
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 Claude Opus 4.1.
Anthropic Claude Sonnet Latest
This model always redirects to the latest model in the Anthropic Claude Sonnet family.
Claude Opus 4.1
Claude Opus 4.1 is an updated version of Anthropic’s flagship model, offering improved performance in coding, reasoning, and agentic tasks. It achieves 74.5% on SWE-bench Verified and shows notable gains...
Technical Specifications
| Specification | Anthropic Claude Sonnet Latest | Claude Opus 4.1 |
|---|---|---|
| Provider | Anthropic | Anthropic |
| 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 | 2025-08-05 |
API Pricing Comparison
Input Price per Million Tokens
Anthropic Claude Sonnet Latest
$2.00
Claude Opus 4.1
$15.00
Output Price per Million Tokens
Anthropic Claude Sonnet Latest
$10.00
Claude Opus 4.1
$75.00
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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.
Claude Opus 4.1 Quirks & Gotchas
No developer gotchas reported.