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Claude 3 Opus vs Pixtral-12B

Claude 3 Opus leads the LLM Stats Score 10.0 to -1.4. Pixtral-12B is 200.0x cheaper per token.

Anthropic · Mistral AI · Updated for 2026

Which is better?

Claude 3 Opus leads the overall LLM Stats Score 10.0 to -1.4, ranking #256 overall.

In the 3 individual benchmarks reported for both models, Claude 3 Opus wins 3; this is a narrower head-to-head signal than the composite indexes.

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.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Claude 3 Opus

  • overall performance matters — it scores 10.0 and ranks #256 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 3 of 3 exact shared results
  • you process long inputs — it offers a 200,000 token context window

Choose Pixtral-12B

  • 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

At a glance

The differences that matter most.

Core performance indexes
10.0
#256
-1.4
#324
9.9
#249
-3.5
#324
5.2
#196
-2.5
#241
Cost, coverage & limits
Benchmark wins
3 of 3
0 of 3
Input price
$15.00 / M
$0.15 / M
Output price
$75.00 / M
$0.15 / M
Context window
200,000
128,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Claude 3 Opus
Pixtral-12B
16.4#199
1.3#286
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

11 reported for Claude 3 Opus · 12 for Pixtral-12B

3 shared

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.

Mon Sep 07 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Pixtral-12B costs less

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

Lowest available price from all providers
Mon Sep 07 2026 • llm-stats.com
Anthropic
Claude 3 Opus
Input tokens$15.00
Output tokens$75.00
Best providerAnthropic
Mistral AI
Pixtral-12B
Input tokens$0.15
Output tokens$0.15
Best providerMistral
Notice missing or incorrect data?Start an Issue

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.

Anthropic
Claude 3 Opus
Input200,000 tokens
Output200,000 tokens
Mistral AI
Pixtral-12B
Input128,000 tokens
Output8,192 tokens
Mon Sep 07 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

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

Text
Images
Audio
Video

Pixtral-12B

Text
Images
Audio
Video

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.

Claude 3 Opus

Proprietary

Closed source

Pixtral-12B

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.

Claude 3 Opus

Feb 29, 2024

2.5 years ago

Pixtral-12B

Sep 17, 2024

2.0 years ago

6mo newer

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Provider Availability

Claude 3 Opus is available from Anthropic, Bedrock, Google. Pixtral-12B is available from Mistral AI.

Claude 3 Opus

anthropic logo
Anthropic
Input Price:Input: $15.00/1MOutput Price:Output: $75.00/1M
bedrock logo
AWS Bedrock
Input Price:Input: $15.00/1MOutput Price:Output: $75.00/1M
google logo
Google
Input Price:Input: $15.00/1MOutput Price:Output: $75.00/1M

Pixtral-12B

mistral logo
Mistral
Input Price:Input: $0.15/1MOutput Price:Output: $0.15/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Judge for yourself.

Run your own prompts against Claude 3 Opus and Pixtral-12B side-by-side, then vote on the output you prefer.

Claude 3 Opus
✓ Preferred
Pixtral-12B
Open in Playground

FAQ

Common questions about Claude 3 Opus vs Pixtral-12B.

Which is better, Claude 3 Opus or Pixtral-12B?

Claude 3 Opus leads the LLM Stats Score 10.0 to -1.4. Claude 3 Opus is made by Anthropic and Pixtral-12B is made by Mistral AI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Claude 3 Opus compare to Pixtral-12B in benchmarks?

Claude 3 Opus scores ARC-C: 96.4%, HellaSwag: 95.4%, GSM8k: 95.0%, MGSM: 90.7%, BIG-Bench Hard: 86.8%. Pixtral-12B scores DocVQA: 90.7%, ChartQA: 81.8%, VQAv2: 78.6%, MT-Bench: 76.8%, HumanEval: 72.0%.

Is Claude 3 Opus cheaper than Pixtral-12B?

Pixtral-12B is 100.0x cheaper for input tokens. Claude 3 Opus costs $15.00/M input and $75.00/M output via anthropic. Pixtral-12B costs $0.15/M input and $0.15/M output via mistral.

What are the context window sizes for Claude 3 Opus and Pixtral-12B?

Claude 3 Opus supports 200K tokens and Pixtral-12B supports 128K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Claude 3 Opus and Pixtral-12B?

Key differences include LLM Stats Score (10.0 vs -1.4), context window (200K vs 128K), input pricing ($15.00 vs $0.15/M), licensing (Proprietary vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude 3 Opus and Pixtral-12B?

Claude 3 Opus is developed by Anthropic and Pixtral-12B is developed by Mistral AI.