SSyncDev

AI model comparison

Gemini 3.6 Flash vs GPT-5.4 nano

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

Gemini 3.6 Flash from Google lists 1.05M context, 65.54K maximum output, $1.50 input per 1M tokens, $7.50 output per 1M tokens. GPT-5.4 nano from OpenAI lists 400K context, 128K maximum output, $0.20 input per 1M tokens, $1.25 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 3.6 Flash

Gemini 3.6 Flash from Google: Fast Gemini model balancing multimodal reasoning, tool use, and cost.

Context
1.05M
Max output
65.54K
Input / 1M tokens
$1.50
Output / 1M tokens
$7.50

Accepts

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

Produces

  • Text output
Full model profilegithub.com ↗
VS

OpenAI

GPT-5.4 nano

GPT-5.4 nano from OpenAI: Cheapest GPT-5.4 lane for simple routing, extraction, and bulk automation.

Context
400K
Max output
128K
Input / 1M tokens
$0.20
Output / 1M tokens
$1.25

Accepts

  • Text input
  • Image 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 3.6 Flash

  • Context capacity: 1.05M

GPT-5.4 nano

  • Maximum output: 128K
  • Input price: $0.20
  • Output price: $1.25

Context capacity

Higher listed limit

Gemini 3.6 Flash:1.05M

GPT-5.4 nano:400K

Gemini 3.6 Flash

Maximum output

Higher listed limit

Gemini 3.6 Flash:65.54K

GPT-5.4 nano:128K

GPT-5.4 nano

Input price

Lower listed token rate

Gemini 3.6 Flash:$1.50

GPT-5.4 nano:$0.20

GPT-5.4 nano

Output price

Lower listed token rate

Gemini 3.6 Flash:$7.50

GPT-5.4 nano:$1.25

GPT-5.4 nano

Specifications

Pricing, limits and capabilities

Specifications for Gemini 3.6 Flash and GPT-5.4 nano. Higher limits and lower prices describe these figures only.
SpecificationGemini 3.6 FlashGPT-5.4 nano
ProviderGoogleOpenAI
Listed pricing routeGoogleOpenAI
Model familygemini-flashgpt-nano
Accepted inputstext, image, video, audio, pdftext, image
Produced outputstexttext
Context window1.05MHigher400K
Max output65.54K128KHigher
Input price / 1M$1.50$0.20Lower
Output price / 1M$7.50$1.25Lower
Reasoning modeDocumentedDocumented
Tool callingDocumentedDocumented
Image inputDocumentedDocumented
Audio inputDocumentedNot documented
Structured outputDocumentedDocumented
LicenseProprietaryProprietary

Workload guidance

Which model should you choose?

Consider Gemini 3.6 Flash if you need larger context. Consider GPT-5.4 nano if you need larger maximum output or a lower listed input rate 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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