DeepSeek V4.1 Flash is 80.0× cheaper per million tokens (blended). DeepSeek V4.1 Flash has the larger context window (1,048,576 vs 1,000,000 tokens). DeepSeek V4.1 Flash is open-weights; the other is not.
Claude Fable 5.1 vs DeepSeek V4.1 Flash
Live catalog fields. Best-in-row is highlighted.
Claude Fable 5.1
Anthropic · anthropic__claude-fable-5.1
DeepSeek V4.1 Flashopen
DeepSeek · deepseek__deepseek-v4.1-flash
Identity
| Field | anthropic__claude-fable-5.1 | deepseek__deepseek-v4.1-flash |
|---|---|---|
| Provider | Anthropic | DeepSeek |
| Slug | anthropic__claude-fable-5.1 | deepseek__deepseek-v4.1-flash |
| Status | live | live |
| Open weights | No | Yes |
| License | — | — |
| HuggingFace | — | deepseek-ai/DeepSeek-V4.1-Flash |
Quality
| Field | anthropic__claude-fable-5.1 | deepseek__deepseek-v4.1-flash |
|---|---|---|
| Quality index (0–100) | — | — |
Cost
| Field | anthropic__claude-fable-5.1 | deepseek__deepseek-v4.1-flash |
|---|---|---|
| Input $ / 1M tokens | $10.00 | $0.15 |
| Cached input $ / 1M | $0.25 | $0.00 |
| Output $ / 1M tokens | $50.00 | $0.60 |
Context
| Field | anthropic__claude-fable-5.1 | deepseek__deepseek-v4.1-flash |
|---|---|---|
| Max context tokens | 1,000,000 | 1,048,576 |
| Max output tokens | 128,000 | 384,000 |
Modalities
| Field | anthropic__claude-fable-5.1 | deepseek__deepseek-v4.1-flash |
|---|---|---|
| Input | text, image, file | text, image |
| Output | text | text |