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Gemma 4 31B vs GPT-5 Image Mini

How do these models stack up? Below is an expert side-by-side comparison of specifications, context window capacity, live pricing per million tokens, and standardized benchmark scores for Gemma 4 31B and GPT-5 Image Mini.

Google

Gemma 4 31B

Gemma 4 31B Instruct is Google DeepMind's 30.7B dense multimodal model supporting text and image input with text output. Features a 256K token context window, configurable thinking/reasoning mode, native function...

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OpenAI

GPT-5 Image Mini

GPT-5 Image Mini combines OpenAI's advanced language capabilities, powered by [GPT-5 Mini](https://openrouter.ai/openai/gpt-5-mini), with GPT Image 1 Mini for efficient image generation. This natively multimodal model features superior instruction following, text...

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Technical Specifications

SpecificationGemma 4 31BGPT-5 Image Mini
ProviderGoogleOpenAI
Context Window262,144 tokens400,000 tokens
Agent SuitabilityN/AN/A
Time to First Token (TTFT)N/AN/A
Deployment Modelmanaged apimanaged api
Production Stabilitystablestable
API AvailableYesYes
Released Date2026-04-022025-10-16

API Pricing Comparison

Input Price per Million Tokens

Gemma 4 31B

$0.12

GPT-5 Image Mini

$2.50

Output Price per Million Tokens

Gemma 4 31B

$0.35

GPT-5 Image Mini

$2.00

Want to test both models live?

Run side-by-side prompt prompts in our dynamic Sandbox. Check execution speeds, latency metrics, and compute actual costs in real-time.

Benchmark Performance Metrics

Scores show the raw performance percentages verified across key evaluation suites. Higher bars indicate superior accuracy and capability in that domain.

Gemma 4 31B Quirks & Gotchas

No developer gotchas reported.

GPT-5 Image Mini Quirks & Gotchas

No developer gotchas reported.