Claude Fable 5 vs DeepSeek-V4-Pro-0813: Specs & Benchmark Comparison
Claude Fable 5 is developed by Anthropic, while DeepSeek-V4-Pro-0813 comes from DeepSeek. Claude Fable 5 was released in June 2026, and DeepSeek-V4-Pro-0813 followed 2 months later in August 2026. DeepSeek-V4-Pro-0813 has a published size of about 1.6 trillion parameters; Anthropic has not disclosed the parameter count of Claude Fable 5.
The two models share 3 published benchmarks. DeepSeek-V4-Pro-0813 leads on 2 of them, Claude Fable 5 on 1. The widest gaps are on AutomationBench, where DeepSeek-V4-Pro-0813 scores 31.8% against 17.4%; Humanity's Last Exam, where Claude Fable 5 scores 64.5% against 60.0%. Averaged across everything we track, Claude Fable 5 sits at 59.8% and DeepSeek-V4-Pro-0813 at 60.6%.
DeepSeek-V4-Pro-0813 is the cheaper API at $1.32 per million input tokens and $3.96 per million output tokens, roughly 8 times cheaper than Claude Fable 5 at $10 and $50. Both accept a context window of about 1M tokens. Claude Fable 5 accepts text and images as input, while DeepSeek-V4-Pro-0813 accepts text.
| Characteristic | Claude Fable 5 | DeepSeek-V4-Pro-0813 |
|---|---|---|
| Company | Anthropic | DeepSeek |
| Release Date | June 9, 2026 | August 13, 2026 |
| Parameters | — | 1.6T |
| Multimodal | Yes | No |
| Context (input) | 1.0M | 1.0M |
| Context (output) | 128K | 393K |
| Input Price / 1M | $10.00 | $1.32 |
| Output Price / 1M | $50.00 | $3.96 |
| Average Score | 59.8% | 60.6% |
| Benchmarks | ||
| AutomationBench | 17.4% | 31.8% |
| Humanity's Last Exam | 64.5% | 60.0% |
| Terminal-Bench 2.1 | 84.3% | 88.0% |
Visual Benchmark Comparison
Verdict
DeepSeek-V4-Pro-0813 leads in 2 out of 4 comparison categories.
Both models show comparable average scores: Claude Fable 5 — 0.6, DeepSeek-V4-Pro-0813 — 0.6.
DeepSeek-V4-Pro-0813 is 11.4x cheaper: input $1.32/1M vs $10.00/1M tokens.
Same context size: 1M tokens.
DeepSeek-V4-Pro-0813 is newer: released 8/13/2026 vs 6/9/2026.
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Frequently Asked Questions
Which is better for coding — Claude Fable 5 or DeepSeek-V4-Pro-0813?
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The Claude Fable 5 and DeepSeek-V4-Pro-0813 comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Claude Fable 5 or DeepSeek-V4-Pro-0813 page. See also the complete list of AI model comparisons.