SSyncDev

AI model comparison

Step 3.5 Flash vs MiMo-V2.5

Compare pricing, context limits, supported inputs and deployment options to choose a model for your workflow.

Step 3.5 Flash from StepFun lists 256K context, 256K maximum output, $0.10 input per 1M tokens, $0.30 output per 1M tokens. MiMo-V2.5 from Xiaomi lists 1.05M context, 131.07K maximum output, $0.14 input per 1M tokens, $0.28 output per 1M tokens. Compare the inputs, outputs and deployment options below to see which fits your workflow.

Side-by-sideCapabilities and practical differences

StepFun

Step 3.5 Flash

Step 3.5 Flash from StepFun: StepFun flash lane for quick multimodal reasoning and coding assistance.

Context
256K
Max output
256K
Input / 1M tokens
$0.10
Output / 1M tokens
$0.30

Accepts

  • Text input

Produces

  • Text output
Full model profilegithub.com ↗
VS

Xiaomi

MiMo-V2.5

MiMo-V2.5 from Xiaomi: Open MiMo model for multimodal coding agents and long-context automation.

Context
1.05M
Max output
131.07K
Input / 1M tokens
$0.14
Output / 1M tokens
$0.28

Accepts

  • Text input
  • Image input
  • Audio input
  • Video input

Produces

  • Text output
Full model profilemimo.mi.com ↗

At a glance

Key differences

Compare the available figures below, then try both models on the work you need to do.

Step 3.5 Flash

  • Maximum output: 256K
  • Input price: $0.10

MiMo-V2.5

  • Context capacity: 1.05M
  • Output price: $0.28

Context capacity

Higher listed limit

Step 3.5 Flash:256K

MiMo-V2.5:1.05M

MiMo-V2.5

Maximum output

Higher listed limit

Step 3.5 Flash:256K

MiMo-V2.5:131.07K

Step 3.5 Flash

Input price

Lower listed token rate

Step 3.5 Flash:$0.10

MiMo-V2.5:$0.14

Step 3.5 Flash

Output price

Lower listed token rate

Step 3.5 Flash:$0.30

MiMo-V2.5:$0.28

MiMo-V2.5

Specifications

Pricing, limits and capabilities

Specifications for Step 3.5 Flash and MiMo-V2.5. Higher limits and lower prices describe these figures only.
SpecificationStep 3.5 FlashMiMo-V2.5
ProviderStepFunXiaomi
Listed pricing routeStepFunXiaomi
Model family—mimo
Accepted inputstexttext, image, audio, video
Produced outputstexttext
Context window256K1.05MHigher
Max output256KHigher131.07K
Input price / 1M$0.10Lower$0.14
Output price / 1M$0.30$0.28Lower
Reasoning modeDocumentedDocumented
Tool callingDocumentedDocumented
Image inputNot documentedDocumented
Audio inputNot documentedDocumented
Structured outputNot documentedNot documented
LicenseOpen weightsOpen weights

Workload guidance

Which model should you choose?

Consider Step 3.5 Flash if you need larger maximum output or a lower listed input rate. Consider MiMo-V2.5 if you need larger context or a lower listed output rate. 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.

Documentation and model profiles

Explore each model’s features, API requirements and licence terms in the sources below.

Questions people ask

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.

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