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o1 vs Llama 3.1 70B

Pricing, context window, and benchmark comparison · Last updated April 2026

Quick Verdict

Llama 3.1 70B is cheaper than o1 at $0.35/1M/1M vs $15.00/1M/1M input tokens — a 42.9x cost difference. o1 scores higher on quality benchmarks (ELO 1350). Choose Llama 3.1 70B for cost-sensitive workloads; choose o1 for maximum quality.

Detailed Comparison

Metrico1Llama 3.1 70B
Input Price / 1M tokens$15.00/1M$0.35/1MCheaper
Output Price / 1M tokens$60.00/1M$0.40/1MCheaper
Context Window200KLarger131K
ELO Score (LMSYS)1350Smarter1247
Open SourceYes
Free Tier
Release Date2024-092024-07

Which is cheaper: o1 or Llama 3.1 70B?

Llama 3.1 70B is the cheaper option at $0.35/1M per 1M input tokens, compared to $15.00/1M for o1. That is a 42.9x cost difference on input tokens. Output pricing follows a similar pattern: o1 charges $60.00/1M/1M vs $0.40/1M/1M for Llama 3.1 70B.

Which has better quality: o1 or Llama 3.1 70B?

Based on LMSYS Chatbot Arena rankings, o1 achieves a higher ELO score (1350 vs 1247), suggesting stronger performance on open-ended tasks. o1 excels at best-in-class reasoning on complex problems. Llama 3.1 70B is known for excellent price-to-quality ratio.

Which should you choose: o1 or Llama 3.1 70B?

Choose o1 if:
  • Best-in-class reasoning on complex problems
  • Exceptional at math, science, and formal logic
  • Large 200K context window
Choose Llama 3.1 70B if:
  • Excellent price-to-quality ratio
  • Open source and self-hostable
  • Good at coding and instruction following

Frequently Asked Questions

Which is cheaper: o1 or Llama 3.1 70B?

Llama 3.1 70B is cheaper at $0.35/1M per 1M input tokens, making it 42.9x more affordable.

Which has better quality: o1 or Llama 3.1 70B?

o1 scores higher on the LMSYS Chatbot Arena with an ELO of 1350, suggesting better overall quality for most tasks.

Which has a larger context window: o1 or Llama 3.1 70B?

o1 has a larger context window at 200K tokens.

Should I choose o1 or Llama 3.1 70B?

Choose Llama 3.1 70B if cost is the priority. Choose o1 if benchmark quality is most important. Consider your specific use case: o1 is best for reasoning and math, while Llama 3.1 70B excels at coding and low-cost.

Is o1 or Llama 3.1 70B open source?

o1 is proprietary. Llama 3.1 70B is open source.

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