Compare
2–4 model comparison. Best-in-row is highlighted.
Claude Sonnet 4.5
Anthropic · anthropic__claude-sonnet-4.5
DeepSeek V3.1open
DeepSeek · deepseek__deepseek-chat-v3.1
Identity
| Field | anthropic__claude-sonnet-4.5 | deepseek__deepseek-chat-v3.1 |
|---|---|---|
| Provider | Anthropic | DeepSeek |
| Slug | anthropic__claude-sonnet-4.5 | deepseek__deepseek-chat-v3.1 |
| Status | live | live |
| Open weights | No | Yes |
| License | — | — |
| HuggingFace | — | deepseek-ai/DeepSeek-V3.1 |
Quality
| Field | anthropic__claude-sonnet-4.5 | deepseek__deepseek-chat-v3.1 |
|---|---|---|
| Quality index (0–100) | 78.0 | — |
Cost
| Field | anthropic__claude-sonnet-4.5 | deepseek__deepseek-chat-v3.1 |
|---|---|---|
| Input $ / 1M tokens | $3.00 | $0.25 |
| Cached input $ / 1M | $0.30 | $0.13 |
| Output $ / 1M tokens | $15.00 | $0.95 |
Context
| Field | anthropic__claude-sonnet-4.5 | deepseek__deepseek-chat-v3.1 |
|---|---|---|
| Max context tokens | 1,000,000 | 163,840 |
| Max output tokens | 64,000 | 32,768 |
Modalities
| Field | anthropic__claude-sonnet-4.5 | deepseek__deepseek-chat-v3.1 |
|---|---|---|
| Input | text, image, file | text |
| Output | text | text |