Claude Fable 5 vs Seed 2.1 Turbo: Specs & Benchmark Comparison
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| Characteristic | Claude Fable 5 | Seed 2.1 Turbo |
|---|---|---|
| Company | Anthropic | ByteDance |
| Release Date | June 9, 2026 | June 24, 2026 |
| Parameters | — | — |
| Multimodal | Yes | Yes |
| Context (input) | 1.0M | — |
| Context (output) | 128K | — |
| Input Price / 1M | $10.00 | — |
| Output Price / 1M | $50.00 | — |
| Average Score | 0.6 | 0.6 |
| Benchmarks | ||
| SWE-Bench Pro | 0.8 | 0.6 |
| Terminal-Bench 2.1 | 0.8 | 0.7 |
| Humanity's Last Exam | 0.6 | 0.5 |
Visual Benchmark Comparison
Claude Fable 5
Seed 2.1 Turbo
SWE-Bench Pro0.8 vs 0.6
0.8
0.6
Terminal-Bench 2.10.8 vs 0.7
0.8
0.7
Humanity's Last Exam0.6 vs 0.5
0.6
0.5
Verdict
Seed 2.1 Turbo leads in 1 out of 2 comparison categories.
Overall Performance
Both models show comparable average scores: Claude Fable 5 — 0.6, Seed 2.1 Turbo — 0.6.
Recency
Seed 2.1 Turbo is newer: released 6/24/2026 vs 6/9/2026.
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Frequently Asked Questions
Which is better for coding — Claude Fable 5 or Seed 2.1 Turbo?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — Claude Fable 5 or Seed 2.1 Turbo?
API pricing data is available on the individual model pages.
Which has a larger context window — Claude Fable 5 or Seed 2.1 Turbo?
Context window data is available on the individual model pages.
The Claude Fable 5 and Seed 2.1 Turbo 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 Seed 2.1 Turbo page. See also the complete list of AI model comparisons.