DeepSeek V4 Pro 0423 is 5.3× cheaper per million tokens (blended). DeepSeek V4 Pro 0423 leads quality index by 2.9 points (88.2 vs 85.3). DeepSeek V4 Pro 0423 has the larger context window (1,024,000 vs 1,000,000 tokens). DeepSeek V4 Pro 0423 is open-weights; the other is not.
Claude Sonnet 5 vs DeepSeek V4 Pro 0423
Live catalog fields. Best-in-row is highlighted.
Claude Sonnet 5
Anthropic · anthropic__claude-sonnet-5
DeepSeek V4 Pro 0423open
DeepSeek · deepseek__deepseek-v4-pro
Identity
| Field | anthropic__claude-sonnet-5 | deepseek__deepseek-v4-pro |
|---|---|---|
| Provider | Anthropic | DeepSeek |
| Slug | anthropic__claude-sonnet-5 | deepseek__deepseek-v4-pro |
| Status | live | live |
| Open weights | No | Yes |
| License | — | — |
| HuggingFace | — | deepseek-ai/DeepSeek-V4-Pro |
Quality
| Field | anthropic__claude-sonnet-5 | deepseek__deepseek-v4-pro |
|---|---|---|
| Quality index (0–100) | 85.3 | 88.2 |
Cost
| Field | anthropic__claude-sonnet-5 | deepseek__deepseek-v4-pro |
|---|---|---|
| Input $ / 1M tokens | $2.00 | $0.76 |
| Cached input $ / 1M | $0.20 | $0.06 |
| Output $ / 1M tokens | $10.00 | $1.52 |
Context
| Field | anthropic__claude-sonnet-5 | deepseek__deepseek-v4-pro |
|---|---|---|
| Max context tokens | 1,000,000 | 1,024,000 |
| Max output tokens | 128,000 | 384,000 |
Modalities
| Field | anthropic__claude-sonnet-5 | deepseek__deepseek-v4-pro |
|---|---|---|
| Input | text, image, file | text |
| Output | text | text |