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Gemma 3n 4B vs GPT-5.3-Codex

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 3n 4B and GPT-5.3-Codex.

Google

Gemma 3n 4B

Gemma 3n E4B-it is optimized for efficient execution on mobile and low-resource devices, such as phones, laptops, and tablets. It supports multimodal inputs—including text, visual data, and audio—enabling diverse tasks...

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OpenAI

GPT-5.3-Codex

GPT-5.3-Codex is OpenAI’s most advanced agentic coding model, combining the frontier software engineering performance of GPT-5.2-Codex with the broader reasoning and professional knowledge capabilities of GPT-5.2. It achieves state-of-the-art results...

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Technical Specifications

SpecificationGemma 3n 4BGPT-5.3-Codex
ProviderGoogleOpenAI
Context Window32,768 tokens400,000 tokens
Agent SuitabilityN/AN/A
Time to First Token (TTFT)N/AN/A
Deployment Modelmanaged apimanaged api
Production Stabilitystablestable
API AvailableYesYes
Released Date2025-05-202026-02-24

API Pricing Comparison

Input Price per Million Tokens

Gemma 3n 4B

$0.06

GPT-5.3-Codex

$1.75

Output Price per Million Tokens

Gemma 3n 4B

$0.12

GPT-5.3-Codex

$14.00

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 3n 4B Quirks & Gotchas

No developer gotchas reported.

GPT-5.3-Codex Quirks & Gotchas

No developer gotchas reported.