Claude Opus 4 vs DeepSeek V3.1
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 Claude Opus 4 and DeepSeek V3.1.
Claude Opus 4
Claude Opus 4 is benchmarked as the world’s best coding model, at time of release, bringing sustained performance on complex, long-running tasks and agent workflows. It sets new benchmarks in...
DeepSeek V3.1
DeepSeek-V3.1 is a large hybrid reasoning model (671B parameters, 37B active) that supports both thinking and non-thinking modes via prompt templates. It extends the DeepSeek-V3 base with a two-phase long-context...
Technical Specifications
| Specification | Claude Opus 4 | DeepSeek V3.1 |
|---|---|---|
| Provider | Anthropic | DeepSeek |
| Context Window | 200,000 tokens | 163,840 tokens |
| Agent Suitability | N/A | N/A |
| Time to First Token (TTFT) | N/A | N/A |
| Deployment Model | managed api | self hostable |
| Production Stability | stable | stable |
| API Available | Yes | Yes |
| Released Date | 2025-05-22 | 2025-08-21 |
API Pricing Comparison
Input Price per Million Tokens
Claude Opus 4
$15.00
DeepSeek V3.1
$0.21
Output Price per Million Tokens
Claude Opus 4
$75.00
DeepSeek V3.1
$0.79
Want to test both models live?
Run side-by-side prompt prompts in our dynamic Sandbox. Check execution speeds, latency metrics, and compute actual costs in real-time.
Benchmark Performance Metrics
Scores show the raw performance percentages verified across key evaluation suites. Higher bars indicate superior accuracy and capability in that domain.
Claude Opus 4 Quirks & Gotchas
No developer gotchas reported.
DeepSeek V3.1 Quirks & Gotchas
No developer gotchas reported.