GPT-4o mini vs Gemma 3 27B

Performance benchmarks + pricing comparison — updated April 2026

GPT-4o mini

OpenAI

Affordable small model. Fast and cost-effective for high-volume coding tasks.

Input$0.150/M
Output$0.600/M
Context128K tokens
Best ForHigh-volume tasks, simple coding, cost-sensitive projects
Benchmark58/100

Gemma 3 27B

Google

Google's open-weight 27B model. Budget-friendly with strong coding capability and Google's research backing.

Input$0.100/M
Output$0.400/M
Context128K tokens
Best ForSelf-hosted deployments, budget coding, research

Cost Comparison by Scenario

Estimated cost per project with 30% cache hit rate. Actual costs may vary based on usage patterns.

ScenarioGPT-4o miniGemma 3 27BSavings
Small Script (1K lines) $0.02 $0.02 Gemma 3 27B saves <$0.01 (36%)
Medium Feature (10K lines) $0.18 $0.12 Gemma 3 27B saves $0.07 (37%)
Large Project (50K lines) $0.92 $0.58 Gemma 3 27B saves $0.34 (37%)
Code Review (5K lines) $0.05 $0.03 Gemma 3 27B saves $0.02 (41%)

Verdict

Gemma 3 27B wins on both price and performance — $0.100/M input with a benchmark score of N/A/100.

For most developers, this is the clear choice between these two models.

Compare with Other Models