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AI model comparison

Gemini 3.1 Flash Live Preview vs o3

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

Gemini 3.1 Flash Live Preview from Google lists 131.07K context, 65.54K maximum output, $0.75 input per 1M tokens, $4.50 output per 1M tokens. o3 from OpenAI lists 200K context, 100K maximum output, $2.00 input per 1M tokens, $8.00 output per 1M tokens. Compare the inputs, outputs and deployment options below to see which fits your workflow.

Side-by-sideCapabilities and practical differences

Google

Gemini 3.1 Flash Live Preview

Gemini 3.1 Flash Live Preview from Google: High-quality, low-latency Live API model for real-time dialogue and voice-first AI applications.

Context
131.07K
Max output
65.54K
Input / 1M tokens
$0.75
Output / 1M tokens
$4.50

Accepts

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

Produces

  • Text output
  • Audio output
Full model profilegithub.com ↗
VS

OpenAI

o3

o3 from OpenAI: Deliberate o-series reasoner for hard math, coding, and multi-step analysis.

Context
200K
Max output
100K
Input / 1M tokens
$2.00
Output / 1M tokens
$8.00

Accepts

  • Text input
  • Image input
  • PDF input

Produces

  • Text output
Full model profilegithub.com ↗

At a glance

Key differences

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

Gemini 3.1 Flash Live Preview

  • Input price: $0.75
  • Output price: $4.50

o3

  • Context capacity: 200K
  • Maximum output: 100K

Context capacity

Higher listed limit

Gemini 3.1 Flash Live Preview:131.07K

o3:200K

o3

Maximum output

Higher listed limit

Gemini 3.1 Flash Live Preview:65.54K

o3:100K

o3

Input price

Lower listed token rate

Gemini 3.1 Flash Live Preview:$0.75

o3:$2.00

Gemini 3.1 Flash Live Preview

Output price

Lower listed token rate

Gemini 3.1 Flash Live Preview:$4.50

o3:$8.00

Gemini 3.1 Flash Live Preview

Specifications

Pricing, limits and capabilities

Specifications for Gemini 3.1 Flash Live Preview and o3. Higher limits and lower prices describe these figures only.
SpecificationGemini 3.1 Flash Live Previewo3
ProviderGoogleOpenAI
Listed pricing routeGoogleOpenAI
Model familygemini-flasho
Accepted inputstext, image, video, audiotext, image, pdf
Produced outputstext, audiotext
Context window131.07K200KHigher
Max output65.54K100KHigher
Input price / 1M$0.75Lower$2.00
Output price / 1M$4.50Lower$8.00
Reasoning modeDocumentedDocumented
Tool callingDocumentedDocumented
Image inputDocumentedDocumented
Audio inputDocumentedNot documented
Structured outputNot documentedDocumented
LicenseProprietaryProprietary

Workload guidance

Which model should you choose?

Consider Gemini 3.1 Flash Live Preview if you need a lower listed input rate or a lower listed output rate. Consider o3 if you need larger context or larger maximum output. 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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