█

AI/TLDR

Buy me a coffee
Buy me a coffee

Model comparison

Pixtral 12B (24.09) vs Claude 3 Opus

Short answer

Claude 3 Opus scores higher on 4 of the 4 benchmarks both models report; Pixtral 12B (24.09) is cheaper on input tokens ($0.2 vs $15 per 1M, 100×); Claude 3 Opus has the larger context window (200K vs 128K); Pixtral 12B (24.09) ships open weights while Claude 3 Opus is API-only.

Specs and pricing side by side

SpecPixtral 12B (24.09)Claude 3 Opus
MakerMistral AIAnthropic
Released2024-09-172024-03-04
Context window128K tokens (131,072)200K
Max outputNot separately published by Mistral4K
Input price$0.15 / 1M tokens$15.00
Output price$0.15 / 1M tokens$75.00
Parameters~12B decoder + ~400M vision encoder (~12.4B total)Undisclosed
LicenseApache 2.0Proprietary
WeightsOpen weightsAPI only
Modalitiestext, imageText, Vision
Knowledge cutoffNot officially published by MistralAugust 2023

Benchmarks both models report

BenchmarkPixtral 12B (24.09)Claude 3 Opus
MMMU52%59.4%
MMLU69.2%86.8%
HumanEval72%84.9%
MATH48.1%60.1%

Scores are as published by each maker or its cited source; harness, reasoning effort and date can differ between rows, so treat small gaps as ties. Sources are listed on each model page.

Which one should you pick?

Pick Pixtral 12B (24.09) if…

  • Cost matters: input tokens cost 100× less ($0.2 vs $15 per 1M).
  • You want to self-host or fine-tune (open weights, Apache 2.0).
  • You need text / image input, which Claude 3 Opus lacks.
  • Your use case is: document and form understanding (OCR-style extraction, document QA).

Pick Claude 3 Opus if…

  • You care about MMMU, MMLU, HumanEval (it scores higher on 4 shared benchmarks).
  • You need the longer context (200K vs 128K).
  • You need Text / Vision input, which Pixtral 12B (24.09) lacks.
  • Your use case is: complex reasoning, analysis and long-document understanding over the 200K window.

FAQ

Which is better, Pixtral 12B (24.09) or Claude 3 Opus?

Claude 3 Opus scores higher on 4 of the 4 benchmarks both models report; Pixtral 12B (24.09) is cheaper on input tokens ($0.2 vs $15 per 1M, 100×); Claude 3 Opus has the larger context window (200K vs 128K); Pixtral 12B (24.09) ships open weights while Claude 3 Opus is API-only. The better pick depends on whether you value benchmark scores, price per token, context length or openness for your workload.

How much cheaper is Pixtral 12B (24.09)?

Pixtral 12B (24.09): $0.15 / 1M tokens input, $0.15 / 1M tokens output. Claude 3 Opus: $15.00 input, $75.00 output (list API prices as published by each maker).

What are the context windows of Pixtral 12B (24.09) and Claude 3 Opus?

Pixtral 12B (24.09) offers 128K tokens (131,072) with up to Not separately published by Mistral output; Claude 3 Opus offers 200K with up to 4K output.

Is Pixtral 12B (24.09) newer than Claude 3 Opus?

Pixtral 12B (24.09) was released 2024-09-17; Claude 3 Opus was released 2024-03-04.

Go deeper