o3 vs Pixtral Large

Side-by-side benchmark comparison across coding, math, reasoning, speed, and pricing.

o3 by OpenAI wins on 10 of 14 benchmarks against Pixtral Large by Mistral, which leads on 3. This head-to-head comparison covers coding, math, reasoning, speed, and pricing metrics from our benchmark data.

Category-by-Category Breakdown

General Intelligence: In general intelligence, o3 scores 1380 on Chatbot Arena ELO compared to Pixtral Large's 1270, while o3 scores 84.0% on MMLU-Pro compared to Pixtral Large's 70.0%.

Coding: In coding, o3 scores 90.0% on HumanEval+ compared to Pixtral Large's 80.0%, while o3 scores 69.1% on SWE-bench Verified compared to Pixtral Large's 35.0%, while o3 scores 70.0% on LiveCodeBench compared to Pixtral Large's 40.0%.

Math: In math, o3 scores 96.0% on MATH compared to Pixtral Large's 74.0%, while o3 scores 98.5% on GSM8K compared to Pixtral Large's 90.0%.

Reasoning: In reasoning, o3 scores 83.3% on GPQA Diamond compared to Pixtral Large's 48.0%, while o3 scores 75.7% on ARC-AGI compared to Pixtral Large's 22.0%.

Context: In context, o3 scores 200K on Context Length compared to Pixtral Large's 131K.

Pricing Comparison

o3 costs $2.0/1M input tokens and $8.0/1M output tokens, while Pixtral Large costs $2.0/1M input and $6.0/1M output. Both models are priced identically for input tokens.

Speed Comparison

o3 generates output at 40 tok/s compared to Pixtral Large's 60 tok/s, and the time to first token is 800 ms for o3 versus 400 ms for Pixtral Large. Pixtral Large delivers faster throughput.

Verdict

For developers prioritizing coding and general intelligence and math, o3 has the edge. For those who value speed, Pixtral Large is the stronger choice.

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o3 vs Pixtral Large — FAQ

Which is better, o3 or Pixtral Large?

o3 wins on more benchmarks overall (10 vs 3). However, the best choice depends on your specific needs — each model excels in different areas.

How does o3 compare to Pixtral Large for coding?

o3 is better for coding, scoring 69.1% on SWE-bench Verified compared to 35.0%. SWE-bench tests real-world software engineering by resolving actual GitHub issues.

Is o3 cheaper than Pixtral Large?

Both models are priced the same at $2.0/1M input tokens. o3 output costs $8.0/1M and Pixtral Large output costs $6.0/1M.

Which is faster, o3 or Pixtral Large?

Pixtral Large is faster, generating output at 60 tok/s compared to 40 tok/s. Faster output speed means shorter wait times for API responses.

What benchmarks does the o3 vs Pixtral Large comparison cover?

This comparison covers 14 benchmarks including Chatbot Arena ELO, MMLU-Pro, HumanEval+, MATH, GPQA Diamond, SWE-bench Verified, Output Speed, LiveCodeBench, and more. Metrics span general intelligence, coding, math, reasoning, speed, and cost categories.