GPT-4 vs Llama 3.1 70B

Performance benchmarks + pricing comparison — updated April 2026

GPT-4

OpenAI

Original GPT-4. Most expensive OpenAI model, largely superseded by newer options.

Input$30.00/M
Output$60.00/M
Context8K tokens
Best ForLegacy applications requiring GPT-4 specifically
Benchmark68/100

Llama 3.1 70B

Meta

Meta's mid-size Llama 3.1. Strong general performance with open weights for custom deployment.

Input$0.200/M
Output$0.400/M
Context128K tokens
Best ForGeneral AI tasks, custom deployment, fine-tuning

Cost Comparison by Scenario

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

ScenarioGPT-4Llama 3.1 70BSavings
Small Script (1K lines) $2.85 $0.02 Llama 3.1 70B saves $2.83 (99%)
Medium Feature (10K lines) $22.50 $0.15 Llama 3.1 70B saves $22.35 (99%)
Large Project (50K lines) $112.50 $0.75 Llama 3.1 70B saves $111.75 (99%)
Code Review (5K lines) $6.75 $0.04 Llama 3.1 70B saves $6.71 (99%)

Verdict

Llama 3.1 70B wins on both price and performance — $0.200/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