Claude Fable 5.1 vs DeepSeek V4 Pro
Compare Claude Fable 5.1 vs DeepSeek V4 Pro API pricing, token costs, context windows, and latency. See which model is cheaper and better for your stack.
Claude Fable 5.1 charges $10.00/1M input and $50.00/1M output tokens, compared to DeepSeek V4 Pro at $0.66/1M input and $1.98/1M output. DeepSeek V4 Pro is 15.2x cheaper on input tokens. In reasoning benchmarks, Claude Fable 5.1 holds the higher AA Intelligence Index rating (49/100). For latency-critical streaming, Claude Fable 5.1 delivers 88 t/s (155.0s TTFT) while DeepSeek V4 Pro provides 80 t/s (59.0s TTFT).
Full Metric & Specification Comparison
| Metric | Claude Fable 5.1 | DeepSeek V4 Pro | Advantage |
|---|---|---|---|
| Provider | Anthropic | DeepSeek | - |
| Input Token Cost (1M) | $10.000 | $0.660 | DeepSeek V4 Pro |
| Output Token Cost (1M) | $50.000 | $1.980 | DeepSeek V4 Pro |
| Context Window | 1,000k tokens | 1,000k tokens | Tie |
| AA Intelligence Index | 49/100 | 23/100 | Claude Fable 5.1 |
| Streaming Latency | Moderate | Moderate | - |
Key Architectural Takeaways
- Input Token Cost: Claude Fable 5.1 is $10.00/1M vs DeepSeek V4 Pro at $0.66/1M
- Output Token Cost: Claude Fable 5.1 is $50.00/1M vs DeepSeek V4 Pro at $1.98/1M
- Context Window: Claude Fable 5.1 supports 1,000k tokens vs DeepSeek V4 Pro with 1,000k tokens
- Benchmark Intelligence Rating: Claude Fable 5.1 scores 49/100 vs DeepSeek V4 Pro at 23/100 (AA Index v5)
- Inference Latency: Claude Fable 5.1 is rated Moderate vs DeepSeek V4 Pro rated Moderate
Calculate Your Team's Exact Bill Difference
Drag the sliders below to see real-time cost divergences based on your daily token consumption.
Deploying DeepSeek V4 Pro over Claude Fable 5.1 saves $500.25/mo ($6003/yr) at this volume.
Frequently Asked Questions
Is Claude Fable 5.1 cheaper than DeepSeek V4 Pro?
DeepSeek V4 Pro is significantly more economical, charging $0.66/1M input compared to $10.00/1M for Claude Fable 5.1.
Which model should I choose for production?
If your primary constraint is API cost and high query throughput, choose DeepSeek V4 Pro. If you require peak reasoning accuracy and complex tool use, Claude Fable 5.1 is recommended.
How does context window compare between Claude Fable 5.1 and DeepSeek V4 Pro?
Claude Fable 5.1 offers the larger context window (1,000k tokens), allowing you to pass significantly larger codebases or documents without chunking.
Related Model Head-to-Head Comparisons
Explore all 100+ comparisonsNever Miss an AI Token Price Cut
Choose which providers to follow. When an alert is dispatched, it is sent through the configured email or webhook provider; the brief below is displayed on this page only.