GPT-4 Turbo vs Llama 3.1 8B

Performance benchmarks + pricing comparison — updated April 2026

GPT-4 Turbo

OpenAI

Previous generation high-performance model. Good for complex reasoning tasks.

Input$10.00/M
Output$30.00/M
Context128K tokens
Best ForComplex reasoning, data extraction, analysis
Benchmark70/100

Llama 3.1 8B

Meta

Meta's smallest Llama 3.1 model. Open weights, deploy anywhere. Great for self-hosted applications.

Input$0.050/M
Output$0.100/M
Context128K tokens
Best ForSelf-hosted AI, fine-tuning, budget applications

Cost Comparison by Scenario

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

ScenarioGPT-4 TurboLlama 3.1 8BSavings
Small Script (1K lines) $1.25 <$0.01 Llama 3.1 8B saves $1.25 (100%)
Medium Feature (10K lines) $9.50 $0.04 Llama 3.1 8B saves $9.46 (100%)
Large Project (50K lines) $47.50 $0.19 Llama 3.1 8B saves $47.31 (100%)
Code Review (5K lines) $2.50 $0.01 Llama 3.1 8B saves $2.49 (100%)

Verdict

Llama 3.1 8B wins on both price and performance — $0.050/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