GPT-3.5 Turbo vs Grok 2 Vision

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 2 Vision

xAI

Grok 2 with image input support. Vision capabilities combined with real-time X knowledge.

Input$2.00/M
Output$10.00/M
Context128K tokens
Best ForImage analysis with social context, visual 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 TurboGrok 2 VisionSavings
Small Script (1K lines) $0.06 $0.37 GPT-3.5 Turbo saves $0.31 (83%)
Medium Feature (10K lines) $0.48 $2.70 GPT-3.5 Turbo saves $2.23 (82%)
Large Project (50K lines) $2.38 $13.50 GPT-3.5 Turbo saves $11.13 (82%)
Code Review (5K lines) $0.13 $0.60 GPT-3.5 Turbo saves $0.47 (79%)

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