Detailed comparison of capabilities, features, and performance.
| Feature | DeepSeek V4 Flash | Claude 4.5 Sonnet (thinking) |
|---|---|---|
| AI Lab | DeepSeek | Anthropic |
| Context Size | 1,000,000 tokens | 1,000,000 tokens |
| Max Output Size | 131,072 tokens | 64,000 tokens |
| Frontier Model | No | Yes |
| Vision Support | No | Yes |
| Description | Official release of DeepSeek-V4-Flash, superseding the preview version, with substantially enhanced agentic capabilities. 304B parameters with a 1M token context window and a speculative decoding module attached for fast inference. Hosted via Fireworks. | The latest Claude 4.5 Sonnet model from Anthropic with maximum reasoning enabled, 200k reasoning tokens in 1M context. |
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