Which is cheaper, MiMo V2.6 Pro and GLM-5.3?

MiMo V2.6 Pro has the lowest input price. Per 1M input tokens: MiMo V2.6 Pro from $0.39 and GLM-5.3 from $0.56.

Can I switch between MiMo V2.6 Pro and GLM-5.3 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 (xiaomi/mimo-v2.6-pro, z-ai/glm-5.3).

MiMo V2.6 Pro vs GLM-5.3

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

Estimate monthly cost for these models

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

GLM-5.3 Z.aiz-ai/glm-5.3

Creator

Xiaomi

Z.ai

Released

Sep 21, 2026

Aug 18, 2026

Context window

1.05M

Max output

131K

Input / 1MLowest provider price

$0.39

$0.56$0.56–$1.40 across 5

Output / 1MLowest provider price

$0.78

$2.48$2.48–$4.40 across 5

Providers

IntelligenceArtificial Analysis index

29.9

31.7

Accepts

Text, Image, Video, Audio

Text

Produces

Text

Tool calling

Yes

Structured output

Yes

Reasoning

Yes

MiMo V2.6 Pro vs GLM-5.3: summary

MiMo V2.6 Pro and GLM-5.3 are both available through FastRouter's OpenAI-compatible API, so switching between them is a change of model id, not a new integration.

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.

GLM-5.3, from Z.ai, has a 1,048,576-token context window, costs from $0.56/1M input and $2.48/1M output tokens across 5 providers and scores 31.7 on the Artificial Analysis Intelligence Index.

MiMo V2.6 Pro is the cheapest on input, 1.4× cheaper than the next model and GLM-5.3 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="xiaomi/mimo-v2.6-pro", messages=[...]) # or client.chat.completions.create(model="z-ai/glm-5.3", messages=[...])

Full API docs

Frequently asked questions

More comparisons

Benchmark scores sourced from ArtificialAnalysis