GPT-3.5 Turbo vs Gemini 2.0 Pro

Performance benchmarks + pricing comparison — updated April 2026

GPT-3.5 Turbo

OpenAI

Budget model for simple tasks. Being phased out but still widely used.

Input$0.500/M
Output$1.50/M
Context16K tokens
Best ForSimple chatbots, basic text generation
Benchmark40/100

Gemini 2.0 Pro

Google

Mid-tier Gemini 2.0 model. Better quality than Flash at a competitive price point for enterprise coding tasks.

Input$2.50/M
Output$10.00/M
Context1M tokens
Best ForEnterprise coding, complex analysis, multimodal understanding

Cost Comparison by Scenario

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

ScenarioGPT-3.5 TurboGemini 2.0 ProSavings
Small Script (1K lines) $0.06 $0.39 GPT-3.5 Turbo saves $0.33 (84%)
Medium Feature (10K lines) $0.48 $2.88 GPT-3.5 Turbo saves $2.40 (83%)
Large Project (50K lines) $2.38 $14.38 GPT-3.5 Turbo saves $12.00 (83%)
Code Review (5K lines) $0.13 $0.69 GPT-3.5 Turbo saves $0.56 (82%)

Verdict

GPT-3.5 Turbo wins on both price and performance — $0.500/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