GPT-3.5 Turbo vs Mistral Small 3

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

Mistral Small 3

Mistral

Mistral's efficient small model. Great performance for its size at very competitive pricing.

Input$0.100/M
Output$0.300/M
Context32K tokens
Best ForChat, summarization, general text tasks

Cost Comparison by Scenario

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

ScenarioGPT-3.5 TurboMistral Small 3Savings
Small Script (1K lines) $0.06 $0.01 Mistral Small 3 saves $0.05 (80%)
Medium Feature (10K lines) $0.48 $0.10 Mistral Small 3 saves $0.38 (80%)
Large Project (50K lines) $2.38 $0.47 Mistral Small 3 saves $1.90 (80%)
Code Review (5K lines) $0.13 $0.02 Mistral Small 3 saves $0.10 (80%)

Verdict

Mistral Small 3 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