GPT-3.5 Turbo vs Grok Code

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

Grok Code

xAI

xAI's coding-specialized model. Optimized for code generation, debugging, and software engineering tasks.

Input$1.50/M
Output$7.50/M
Context128K tokens
Best ForCode generation, debugging, software development workflows

Cost Comparison by Scenario

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

ScenarioGPT-3.5 TurboGrok CodeSavings
Small Script (1K lines) $0.06 $0.28 GPT-3.5 Turbo saves $0.21 (77%)
Medium Feature (10K lines) $0.48 $2.02 GPT-3.5 Turbo saves $1.55 (77%)
Large Project (50K lines) $2.38 $10.13 GPT-3.5 Turbo saves $7.75 (77%)
Code Review (5K lines) $0.13 $0.45 GPT-3.5 Turbo saves $0.32 (72%)

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