Which is cheaper, Claude Fable 5.1 and MiMo V2.6 Pro?

MiMo V2.6 Pro has the lowest input price. Per 1M input tokens: Claude Fable 5.1 from $10.00 and MiMo V2.6 Pro from $0.39.

Which has the larger context window, Claude Fable 5.1 and MiMo V2.6 Pro?

MiMo V2.6 Pro has the largest context window: Claude Fable 5.1 1,000,000 tokens and MiMo V2.6 Pro 1,048,576 tokens.

Which is smarter, Claude Fable 5.1 and MiMo V2.6 Pro?

Claude Fable 5.1 scores highest on the Artificial Analysis Intelligence Index: Claude Fable 5.1 47.2 and MiMo V2.6 Pro 29.9.

Can I switch between Claude Fable 5.1 and MiMo V2.6 Pro without changing my code?

Yes. All of them are served through FastRouter's OpenAI-compatible API, so switching is a change of the model parameter (anthropic/claude-fable-5.1, xiaomi/mimo-v2.6-pro).

Claude Fable 5.1 vs MiMo V2.6 Pro

Side-by-side pricing per provider, context window, benchmark scores and speed, all on one OpenAI-compatible API.

Estimate monthly cost for these models

Claude Fable 5.1 Anthropicanthropic/claude-fable-5.1

MiMo V2.6 Pro Xiaomixiaomi/mimo-v2.6-pro

Creator

Anthropic

Xiaomi

Released

Sep 1, 2026

Sep 21, 2026

Context window

1.05M

Max output

128K

131K

Input / 1MLowest provider price

$10.00

$0.39

Output / 1MLowest provider price

$50.00

$0.78

Providers

IntelligenceArtificial Analysis index

47.2

29.9

Accepts

Text, Image, Files

Text, Image, Video, Audio

Produces

Text

Tool calling

Yes

Structured output

Yes

Reasoning

Yes

Claude Fable 5.1 vs MiMo V2.6 Pro: summary

Claude Fable 5.1 and MiMo V2.6 Pro are both available through FastRouter's OpenAI-compatible API, so switching between them is a change of model id, not a new integration.

Claude Fable 5.1, from Anthropic, has a 1,000,000-token context window, costs $10.00/1M input and $50.00/1M output tokens and scores 47.2 on the Artificial Analysis Intelligence Index.

MiMo V2.6 Pro, from Xiaomi, has a 1,048,576-token context window, costs $0.39/1M input and $0.78/1M output tokens and scores 29.9 on the Artificial Analysis Intelligence Index.

MiMo V2.6 Pro is the cheapest on input, 26× cheaper than the next model, MiMo V2.6 Pro has the largest context window and Claude Fable 5.1 scores highest for intelligence.

Switch with one line

client = OpenAI(base_url="https://api.fastrouter.ai/api/v1", api_key="<FASTROUTER_API_KEY>") client.chat.completions.create(model="anthropic/claude-fable-5.1", messages=[...]) # or client.chat.completions.create(model="xiaomi/mimo-v2.6-pro", messages=[...])

Full API docs

Frequently asked questions

More comparisons

Benchmark scores sourced from ArtificialAnalysis