Claude Fable 5.1 vs GPT OSS Safeguard 20B
anthropic/claude-fable-5.1 · openai/gpt-oss-safeguard-20b
As of November 4, 2026, GPT OSS Safeguard 20B is the cheaper API on UberLLM: $0.0001 per million input tokens and $0.0003 per million output, versus $0.5591 / $2.80 for Claude Fable 5.1, about 100% 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 GPT OSS Safeguard 20B to cut cost; choose Claude Fable 5.1 when context size wins. Claude Fable 5.1 carries the larger context window (1,000,000 vs 128,000 tokens), which can matter for long-document work.
Claude Fable 5.1 vs GPT OSS Safeguard 20B, side by side
| Spec | Claude Fable 5.1 | GPT OSS Safeguard 20B |
|---|---|---|
| Price · input / 1M | $0.5591 | $0.0001 |
| Price · output / 1M | $2.80 | $0.0003 |
| Context length | 1,000,000 | 128,000 |
| Max output tokens | 128,000 | 16,000 |
| Input modalities | text, image, file | text |
| Output modalities | text | text |
| Tools / functions | Yes | Yes |
| Vision (image input) | Yes | — |
| Reasoning | Yes | — |
| % off list | 94.4% off | 99.9% off |
Best prices on UberLLM right now. No UberLLM fee on requests; adding credit by card costs 5.5% + $0.50. Updated November 4, 2026. A price more than 70% below list is what buyers were billed, not an error. Why so cheap?
Claude Fable 5.1 vs GPT OSS Safeguard 20B — FAQ
Is Claude Fable 5.1 or GPT OSS Safeguard 20B cheaper?
GPT OSS Safeguard 20B is cheaper on a blended token mix, by about 100%. 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 5.1 and GPT OSS Safeguard 20B?
Claude Fable 5.1: $0.5591 in / $2.80 out per 1M tokens. GPT OSS Safeguard 20B: $0.0001 in / $0.0003 out per 1M tokens. That's roughly a 100% blended difference. Prices are live; UberLLM adds no fee.
Can I use both Claude Fable 5.1 and GPT OSS Safeguard 20B 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.