Claude Fable 5 vs Seed 2.1 Turbo
anthropic/claude-fable-5 · bytedance/seed-2-1-turbo
As of November 2, 2026, Seed 2.1 Turbo is the cheaper API on UberLLM: $0.3050 per million input tokens and $1.52 per million output, versus $0.7249 / $3.62 for Claude Fable 5, about 58% less when output is 3 tokens for every input token. These are the best prices on the market right now. Both work with one OpenAI-compatible key and UberLLM adds no fee. Choose Seed 2.1 Turbo to cut cost; choose Claude Fable 5 when context size wins. Claude Fable 5 carries the larger context window (1,000,000 vs 256,000 tokens), which can matter for long-document work.
Claude Fable 5 vs Seed 2.1 Turbo, side by side
| Spec | Claude Fable 5 | Seed 2.1 Turbo |
|---|---|---|
| Price · input / 1M | $0.7249 | $0.3050 |
| Price · output / 1M | $3.62 | $1.52 |
| Context length | 1,000,000 | 256,000 |
| Max output tokens | 128,000 | 65,536 |
| Input modalities | text, image | text, image, video |
| Output modalities | text | text |
| Tools / functions | Yes | Yes |
| Vision (image input) | Yes | Yes |
| Reasoning | Yes | Yes |
| % off list | 92.8% off | 39% off |
Best prices on UberLLM right now. No UberLLM fee on requests; adding credit by card costs 5.5% + $0.50. Updated November 2, 2026. A price more than 70% below list is what buyers were billed, not an error. Why so cheap?
Claude Fable 5 vs Seed 2.1 Turbo — FAQ
Is Claude Fable 5 or Seed 2.1 Turbo cheaper?
Seed 2.1 Turbo is cheaper on a blended token mix, by about 58%. A request costs what its provider charged, UberLLM adds no fee, and every request is listed with its cost in Activity.
What's the price difference between Claude Fable 5 and Seed 2.1 Turbo?
Claude Fable 5: $0.7249 in / $3.62 out per 1M tokens. Seed 2.1 Turbo: $0.3050 in / $1.52 out per 1M tokens. That's roughly a 58% blended difference. Prices are live; UberLLM adds no fee.
Can I use both Claude Fable 5 and Seed 2.1 Turbo with one API?
Yes. Both are served through a single OpenAI-compatible endpoint — set the base URL to https://api.uberllm.dev/v1 and your UberLLM key, then switch between them by changing the model id. Anthropic SDKs work via https://api.uberllm.dev/v1/messages.