Model Comparison
Claude 3 Opus vs Pixtral-12BWhich is better in 2026?
Claude 3 Opus significantly outperforms across most benchmarks. Pixtral-12B is 200.0x cheaper per token.
Verdict: Claude 3 Opus vs Pixtral-12B — which is better?
Claude 3 Opus (by Anthropic) and Pixtral-12B (by Mistral AI) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.
Claude 3 Opus outperforms in 3 benchmarks (HumanEval, MATH, MMLU), while Pixtral-12B is better at 0 benchmarks. Claude 3 Opus significantly outperforms across most benchmarks.
On price, Pixtral-12B is roughly 200.0x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Claude 3 Opus also accepts a larger context window (200,000 input tokens), making it the stronger choice for long documents and large codebases.
Choose Claude 3 Opus if…
- you want the strongest raw capability — it leads on 3 of 3 shared benchmarks
- you process long inputs — it offers a 200,000 token context window
Choose Pixtral-12B if…
- cost matters — it's about 200.0x cheaper per token
- you want the most recent training data — it shipped Sep 2024
- you need open weights you can self-host or fine-tune
Performance Benchmarks
Comparative analysis across standard metrics
Claude 3 Opus outperforms in 3 benchmarks (HumanEval, MATH, MMLU), while Pixtral-12B is better at 0 benchmarks.
Claude 3 Opus significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, Claude 3 Opus ($15.00/1M tokens) is 100.0x more expensive than Pixtral-12B ($0.15/1M tokens).
For output processing, Claude 3 Opus ($75.00/1M tokens) is 500.0x more expensive than Pixtral-12B ($0.15/1M tokens).
In conclusion, Claude 3 Opus is more expensive than Pixtral-12B.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Claude 3 Opus accepts 200,000 input tokens compared to Pixtral-12B's 128,000 tokens. Claude 3 Opus can generate longer responses up to 200,000 tokens, while Pixtral-12B is limited to 8,192 tokens.
Input Capabilities
Supported data types and modalities
Both Claude 3 Opus and Pixtral-12B support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Claude 3 Opus
Pixtral-12B
License
Usage and distribution terms
Claude 3 Opus is licensed under a proprietary license, while Pixtral-12B uses Apache 2.0.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
Apache 2.0
Open weights
Release Timeline
When each model was launched
Claude 3 Opus was released on 2024-02-29, while Pixtral-12B was released on 2024-09-17.
Pixtral-12B is 7 months newer than Claude 3 Opus.
Feb 29, 2024
2.3 years ago
Sep 17, 2024
1.7 years ago
6mo newerKnowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
Claude 3 Opus is available from Anthropic, Bedrock, Google. Pixtral-12B is available from Mistral AI.
Claude 3 Opus
Pixtral-12B
Outputs Comparison
Key Takeaways
Claude 3 Opus
View detailsAnthropic
Pixtral-12B
View detailsMistral AI
Detailed Comparison
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FAQ
Common questions about Claude 3 Opus vs Pixtral-12B.