Comprehensive side-by-side LLM comparison
o3-mini leads with 1.4% higher average benchmark score. o3-mini offers 44.0K more tokens in context window than Llama 3.1 405B Instruct. Llama 3.1 405B Instruct is $3.72 cheaper per million tokens. Llama 3.1 405B Instruct is available on 8 providers. Both models have their strengths depending on your specific coding needs.
Meta
Llama 3.1 405B Instruct is a language model developed by Meta. It achieves strong performance with an average score of 79.2% across 18 benchmarks. It excels particularly in ARC-C (96.9%), GSM8k (96.8%), API-Bank (92.0%). It supports a 256K token context window for handling large documents. The model is available through 8 API providers. Released in 2024, it represents Meta's latest advancement in AI technology.
OpenAI
o3-mini is a language model developed by OpenAI. The model shows competitive results across 26 benchmarks. It excels particularly in COLLIE (98.7%), MATH (97.9%), IFEval (93.9%). It supports a 300K token context window for handling large documents. The model is available through 2 API providers. Released in 2025, it represents OpenAI's latest advancement in AI technology.
6 months newer
Llama 3.1 405B Instruct
Meta
2024-07-23
o3-mini
OpenAI
2025-01-30
Cost per million tokens (USD)
Llama 3.1 405B Instruct
o3-mini
Context window and performance specifications
Average performance across 40 common benchmarks
Llama 3.1 405B Instruct
o3-mini
o3-mini
2023-09-30
Available providers and their performance metrics
Llama 3.1 405B Instruct
Bedrock
DeepInfra
Fireworks
Hyperbolic
Llama 3.1 405B Instruct
o3-mini
Llama 3.1 405B Instruct
o3-mini
Lambda
Replicate
Together
o3-mini
Azure
OpenAI