Comprehensive side-by-side LLM comparison
o3-pro offers 44.0K more tokens in context window than Llama 3.2 3B Instruct. Llama 3.2 3B Instruct is $99.97 cheaper per million tokens. o3-pro supports multimodal inputs. Both models have their strengths depending on your specific coding needs.
Meta
Llama 3.2 3B was created as an ultra-compact open-source model, designed to enable on-device and edge deployment scenarios. Built with just 3 billion parameters while retaining instruction-following abilities, it brings Meta's language technology to mobile devices, IoT applications, and resource-constrained environments.
OpenAI
o3-pro was developed as the flagship reasoning model in the o3 family, designed to deliver maximum reasoning depth and reliability for the most challenging analytical tasks. Built for professionals requiring the highest level of thoughtful problem-solving, it extends reasoning capabilities to handle complex multi-step challenges across diverse domains.
8 months newer

Llama 3.2 3B Instruct
Meta
2024-09-25

o3-pro
OpenAI
2025-06-10
Cost per million tokens (USD)

Llama 3.2 3B Instruct

o3-pro
Context window and performance specifications
o3-pro
2024-05-31
Available providers and their performance metrics

Llama 3.2 3B Instruct
DeepInfra

o3-pro

Llama 3.2 3B Instruct

o3-pro

Llama 3.2 3B Instruct

o3-pro
OpenAI