Question 1

What does this GPT-5.2 Chat vs MiMo-V2.5 comparison cover?

Accepted Answer

It brings together documented inputs and outputs, token limits, deployment terms and available pricing. When both models have source-linked, verified results on a shared benchmark, those results are shown with their individual sources. The comparison is a starting point for evaluating your own workload.

Question 2

Which is cheaper: GPT-5.2 Chat or MiMo-V2.5?

Accepted Answer

GPT-5.2 Chat lists $1.75 input and $14.00 output per 1M tokens. MiMo-V2.5 lists $0.14 input and $0.28 output. The cheaper workload depends on the mix of input and output. Long-context tiers, caching, batch processing and retries can change the bill.

Question 3

Which has the larger context window: GPT-5.2 Chat or MiMo-V2.5?

Accepted Answer

GPT-5.2 Chat lists 128K tokens and MiMo-V2.5 lists 1.05M. MiMo-V2.5 therefore has the larger recorded context window, but capacity alone is not a quality score.

Question 4

Which is faster: GPT-5.2 Chat or MiMo-V2.5?

Accepted Answer

There is no matched speed measurement for both models with the same source, host, region and date. Test the same prompts at your expected concurrency and measure time to the first useful response as well as complete task time.

Question 5

What input and output types do GPT-5.2 Chat and MiMo-V2.5 support?

Accepted Answer

GPT-5.2 Chat records text, image input and text output. MiMo-V2.5 records text, image, audio, video input and text output. “Not documented” means the current source record is incomplete; it does not prove that a modality is unsupported.

Question 6

Should I choose GPT-5.2 Chat or MiMo-V2.5?

Accepted Answer

Consider MiMo-V2.5 if you need larger context or larger maximum output or a lower listed input rate or a lower listed output rate. MiMo-V2.5 offers downloadable weights; GPT-5.2 Chat is listed as a proprietary model. Compare licence terms and operating costs before choosing a deployment. Test both on the same representative examples and judge the output against your acceptance criteria. Include tool failures, retries and the time to a completed task.

Specification	GPT-5.2 Chat	MiMo-V2.5
Provider	OpenAI	Xiaomi
Listed pricing route	OpenAI	Xiaomi
Model family	gpt-codex	mimo
Accepted inputs	text, image	text, image, audio, video
Produced outputs	text	text
Context window	128K	1.05MHigher
Max output	16.38K	131.07KHigher
Input price / 1M	$1.75	$0.14Lower
Output price / 1M	$14.00	$0.28Lower
Reasoning mode	Documented	Documented
Tool calling	Documented	Documented
Image input	Documented	Documented
Audio input	Not documented	Documented
Structured output	Documented	Not documented
License	Proprietary	Open weights

GPT-5.2 Chat vs MiMo-V2.5

GPT-5.2 Chat

MiMo-V2.5

Key differences

Pricing, limits and capabilities

Which model should you choose?

Documentation and model profiles

Questions people ask

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