Comprehensive side-by-side LLM comparison
GPT-3.5 Turbo leads with 1.7% higher average benchmark score. Llama 3.1 8B Instruct offers 241.7K more tokens in context window than GPT-3.5 Turbo. Llama 3.1 8B Instruct is $1.94 cheaper per million tokens. Llama 3.1 8B Instruct is available on 9 providers. Both models have their strengths depending on your specific coding needs.
OpenAI
GPT-3.5 Turbo was developed as an optimized version of GPT-3.5, designed to provide a balance of capability and efficiency for conversational and completion tasks. Built to serve as a cost-effective option for applications requiring reliable language understanding and generation, it became widely adopted for chatbots, content generation, and general-purpose AI assistance.
Meta
Llama 3.1 8B was developed as an efficient open-source model, designed to bring capable instruction-following to applications with limited computational resources. Built with 8 billion parameters, it provides a lightweight option for developers seeking reliable performance without the overhead of larger models.
1 year newer

GPT-3.5 Turbo
OpenAI
2023-03-21

Llama 3.1 8B Instruct
Meta
2024-07-23
Cost per million tokens (USD)

GPT-3.5 Turbo

Llama 3.1 8B Instruct
Context window and performance specifications
Average performance across 4 common benchmarks

GPT-3.5 Turbo

Llama 3.1 8B Instruct
GPT-3.5 Turbo
2021-09-30
Llama 3.1 8B Instruct
2023-12-31
Available providers and their performance metrics

GPT-3.5 Turbo
Azure
OpenAI


GPT-3.5 Turbo

Llama 3.1 8B Instruct

GPT-3.5 Turbo

Llama 3.1 8B Instruct
Llama 3.1 8B Instruct
Bedrock
Cerebras
DeepInfra
Fireworks
Groq
Hyperbolic
Lambda
Sambanova
Together