Compare
2–4 model comparison. Best-in-row is highlighted.
Claude Opus 5.5
Anthropic · anthropic__claude-opus-5.5
DeepSeek V4 Flash 0423open
DeepSeek · deepseek__deepseek-v4-flash
Identity
| Field | anthropic__claude-opus-5.5 | deepseek__deepseek-v4-flash |
|---|---|---|
| Provider | Anthropic | DeepSeek |
| Slug | anthropic__claude-opus-5.5 | deepseek__deepseek-v4-flash |
| Status | live | live |
| Open weights | No | Yes |
| License | — | — |
| HuggingFace | — | deepseek-ai/DeepSeek-V4-Flash |
Quality
| Field | anthropic__claude-opus-5.5 | deepseek__deepseek-v4-flash |
|---|---|---|
| Quality index (0–100) | 80.6 | 85.0 |
Cost
| Field | anthropic__claude-opus-5.5 | deepseek__deepseek-v4-flash |
|---|---|---|
| Input $ / 1M tokens | $4.00 | $0.05 |
| Cached input $ / 1M | $0.20 | $0.01 |
| Output $ / 1M tokens | $20.00 | $0.09 |
Context
| Field | anthropic__claude-opus-5.5 | deepseek__deepseek-v4-flash |
|---|---|---|
| Max context tokens | 1,000,000 | 1,024,000 |
| Max output tokens | 128,000 | 384,000 |
Modalities
| Field | anthropic__claude-opus-5.5 | deepseek__deepseek-v4-flash |
|---|---|---|
| Input | text, image, file | text |
| Output | text | text |