Llama 3.1 405B Instruct
vs
openai logo
o1-pro

Compare performance metrics, pricing, and capabilities of these AI models.

Key Differences
Context Length
Lower
Llama 3.1 405B Instruct: 131K (disadvantage)
o1-pro: 200K (advantage)
Cost Efficiency
Lower Cost
Prompt: $3.50M vs $150.00M
Completion: $3.50M vs $600.00M

Capabilities

Llama 3.1 405B Instruct
Modality: text->text
Inputs: text
o1-pro
Modality: text+image->text
Inputs: text, image, file
M
Llama 3.1 405B Instruct
meta-llama/llama-3.1-405b-instruct

The highly anticipated 400B class of Llama3 is here! Clocking in at 128k context with impressive eval scores, the Meta AI team continues to push the f...

Context Length131K
Prompt Price$3.50M
ReleasedJuly 23, 2024
Supports:
text->text
O
o1-pro
openai/o1-pro

The o1 series of models are trained with reinforcement learning to think before they answer and perform complex reasoning. The o1-pro model uses more ...

Context Length200K
Prompt Price$150.00M
ReleasedMarch 19, 2025
Supports:
text+image->text
Detailed Comparison
Feature
Llama 3.1 405B Instruct
openai logo
o1-pro
Context Length131K200K
Prompt Price$3.50M$150.00M
Completion Price$3.50M$600.00M
Modalitytext->texttext+image->text
Release DateJuly 23, 2024March 19, 2025
Analysis & Recommendations

Quick Summary

This comparison reveals key trade-offs between Llama 3.1 405B Instruct and o1-pro. o1-pro offers a larger context window of 200K compared to Llama 3.1 405B Instruct's 131K, though o1-pro comes at a higher cost.

Llama 3.1 405B Instruct Strengths

  • Competitive context size (131K)
  • More cost-effective per token
  • Specialized for text tasks
  • Proven and stable model

o1-pro Strengths

  • Larger context window (200K) for processing longer documents
  • Premium pricing for high-quality output
  • Multimodal capabilities for image analysis
  • Latest generation model

When to Use Each Model

Choose Llama 3.1 405B Instruct when:
  • • You need competitive context capability for complex tasks
  • • Cost efficiency is important in your use case
  • • Working with text-based tasks that benefit from deep analysis
Choose o1-pro when:
  • • You need the larger context window for long-form content
  • • Cost efficiency is not the primary concern for your budget
  • • Working with images and text that require advanced processing
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