Claude Fable 5 vs Seed 2.0 Pro: Specs & Benchmark Comparison
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| Characteristic | Claude Fable 5 | Seed 2.0 Pro |
|---|---|---|
| Company | Anthropic | ByteDance |
| Release Date | June 9, 2026 | February 14, 2026 |
| Parameters | — | — |
| Multimodal | Yes | Yes |
| Context (input) | 1.0M | 256K |
| Context (output) | 128K | 66K |
| Input Price / 1M | $10.00 | $0.50 |
| Output Price / 1M | $50.00 | $3.00 |
| Average Score | 0.6 | 0.9 |
Verdict
Claude Fable 5 leads in 2 out of 4 comparison categories.
Overall Performance
Both models show comparable average scores: Claude Fable 5 — 0.6, Seed 2.0 Pro — 0.9.
API Cost
Seed 2.0 Pro is 17.1x cheaper: input $0.50/1M vs $10.00/1M tokens.
Context Window
Claude Fable 5 supports a larger context: 1M vs 256K tokens.
Recency
Claude Fable 5 is newer: released 6/9/2026 vs 2/14/2026.
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Frequently Asked Questions
Which is better for coding — Claude Fable 5 or Seed 2.0 Pro?
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 2.0 Pro?
Seed 2.0 Pro is cheaper for input: $0.50 per 1M tokens vs $10.00.
Which has a larger context window — Claude Fable 5 or Seed 2.0 Pro?
Claude Fable 5 supports a larger context: 1,000,000 tokens vs 256,000.
The Claude Fable 5 and Seed 2.0 Pro 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 2.0 Pro page. See also the complete list of AI model comparisons.