Claude Fable 5.1 improves on Claude Fable 5 across the board, with the biggest gains in agentic coding, long-running agentic workflows, and knowledge work: long code refactors, front-end and visual...
Model details →Anthropic: Claude Fable 5.1 vs DeepSeek: DeepSeek V4 Flash Vision Exp
DeepSeek: DeepSeek V4 Flash Vision Exp wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
DeepSeek V4 Flash Vision Exp is an experimental vision-enabled version of [DeepSeek V4 Flash 0731](https://openrouter.ai/deepseek/deepseek-v4-flash-0731) from DeepSeek, adding image understanding while matching the base model on text capabi…
Model details →Side-by-side comparison
| Capability | Anthropic: Claude Fable 5.1 | DeepSeek: DeepSeek V4 Flash Vision Exp | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 1M | 1.0M | 🏆 DeepSeek: DeepSeek V4 Flash Vision Exp |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $10.00 | $0.44 | 🏆 DeepSeek: DeepSeek V4 Flash Vision Exp |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $50.00 | $1.32 | 🏆 DeepSeek: DeepSeek V4 Flash Vision Exp |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| Vision input Accepts image inputs alongside text. | Yes | Yes | Tie |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | Yes | Tie |
Frequently asked questions
Is Anthropic: Claude Fable 5.1 better than DeepSeek: DeepSeek V4 Flash Vision Exp?
DeepSeek: DeepSeek V4 Flash Vision Exp wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between Anthropic: Claude Fable 5.1 and DeepSeek: DeepSeek V4 Flash Vision Exp?
Input: $10.00 vs $0.44 per 1M tokens. Output: $50.00 vs $1.32 per 1M tokens.
What context windows do Anthropic: Claude Fable 5.1 and DeepSeek: DeepSeek V4 Flash Vision Exp support?
Anthropic: Claude Fable 5.1 supports up to 1M tokens. DeepSeek: DeepSeek V4 Flash Vision Exp supports up to 1.0M tokens.
Do both Anthropic: Claude Fable 5.1 and DeepSeek: DeepSeek V4 Flash Vision Exp support tool calling?
Anthropic: Claude Fable 5.1: yes. DeepSeek: DeepSeek V4 Flash Vision Exp: yes.