Qwen3.8 27B vs Claude Fable 5.1: price, context window and capabilities
Qwen3.8 27B (qwen/qwen3.8-27b) from Qwen and Claude Fable 5.1 (anthropic/claude-fable-5.1) from Anthropic are both multimodal language models on the OceanToken API. Qwen3.8 27B costs less per token than Claude Fable 5.1: $0.425 against $9.00 per 1M input tokens (95% less) and $2.55 against $45.00 per 1M output tokens (94% less). Claude Fable 5.1 is 10% off its official price on OceanToken, for every account. Qwen3.8 27B has the larger context window: 1.02M tokens (1,024,000) against 1M (1,000,000) for Claude Fable 5.1. Both support tool calling, reasoning, structured outputs and image input; only Qwen3.8 27B also lists video input; only Claude Fable 5.1 also lists file input.
Side by side
| Spec | Qwen3.8 27B | Claude Fable 5.1 −10% |
|---|---|---|
| Model | Qwen3.8 27Bqwen/ | Claude Fable 5.1anthropic/ |
| Publisher | Qwen | Anthropic |
| Kind | Text, vision & video | Text & vision |
| Context window | 1.02M tokens1,024,000 | 1M tokens1,000,000 |
| Input price | $0.425 / 1M tokens | $9.00 / 1M tokens |
| Output price | $2.55 / 1M tokens | $45.00 / 1M tokens |
| Cached input price | $0.085 / 1M tokens | $0.25 / 1M tokens |
| Cache write price | $0.531 / 1M tokens | $12.50 / 1M tokens |
| Web search price | – | $0.01 / search |
| Discount (vs official, top tier) | — | −10% |
| Inputs | text, images and video | text, images and files |
| Outputs | text | text |
| Tool calling | Yes | Yes |
| Reasoning | Yes | Yes |
| Structured outputs | Yes | Yes |
About these prices
Which should you choose?
- Choose Qwen3.8 27B to spend less per token: 95% less for input and 94% less for output than Claude Fable 5.1.
- Choose Qwen3.8 27B for the longest inputs: its context window holds 1.02M tokens against 1M for Claude Fable 5.1.
- Choose Qwen3.8 27B if you need video input: Claude Fable 5.1 does not list it.
- Not sure? Call both with the same OceanToken API key and compare them on your own prompts; each request is billed per use from one prepaid balance.
Get API Key Qwen3.8 27B Claude Fable 5.1
Frequently asked questions
Which is cheaper, Qwen3.8 27B or Claude Fable 5.1?
Qwen3.8 27B. Qwen3.8 27B costs less per token than Claude Fable 5.1: $0.425 against $9.00 per 1M input tokens (95% less) and $2.55 against $45.00 per 1M output tokens (94% less). Claude Fable 5.1 is 10% off its official price on OceanToken, for every account. The OceanToken console always shows the current price.
Which has the larger context window, Qwen3.8 27B or Claude Fable 5.1?
Qwen3.8 27B. Qwen3.8 27B has the larger context window: 1.02M tokens (1,024,000) against 1M (1,000,000) for Claude Fable 5.1.
Can I call both Qwen3.8 27B and Claude Fable 5.1 with one API key?
Yes. Both are on the OceanToken API at https://api.oceantoken.ai/v1: one API key and one prepaid balance call either model. Send the model id qwen/qwen3.8-27b or anthropic/claude-fable-5.1.
Models and publishers
Qwen3.8 27B · Claude Fable 5.1 · All Qwen models · All Anthropic models
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