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Claude Haiku 5.5 vs Pixtral-12B

Claude Haiku 5.5 leads the LLM Stats Score 50.0 to -1.6. Pixtral-12B is 1.3x cheaper per token.

Anthropic · Mistral AI · Updated for 2026

Which is better?

Claude Haiku 5.5 leads the overall LLM Stats Score 50.0 to -1.6, ranking #19 overall.

On price, Pixtral-12B is roughly 1.3x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Claude Haiku 5.5 also accepts a larger context window (1,000,000 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 Haiku 5.5

  • overall performance matters — it scores 50.0 and ranks #19 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you process long inputs — it offers a 1,000,000 token context window
  • you want the most recent training data — it shipped Oct 2026

Choose Pixtral-12B

  • cost matters — it's about 1.3x cheaper per token
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Core performance indexes
50.0
#19
-1.6
#352
47.2
#27
-3.8
#354
40.2
#13
-2.6
#265
Cost, coverage & limits
Benchmark wins
—
—
Input price
$0.10 / M
$0.15 / M
Output price
$0.50 / M
$0.15 / M
Context window
1,000,000
128,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

3 shared
Index
Claude Haiku 5.5
Pixtral-12B
25.7#110
1.0#301
30.4#33
0.1#191
31.4#27
3.8#151
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

36 reported for Claude Haiku 5.5 · 12 for Pixtral-12B

No common benchmarks found

Claude Haiku 5.5 and Pixtral-12Bdon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

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 Haiku 5.5 ($0.10/1M tokens) is 1.5x cheaper than Pixtral-12B ($0.15/1M tokens).

For output processing, Claude Haiku 5.5 ($0.50/1M tokens) is 3.3x more expensive than Pixtral-12B ($0.15/1M tokens).

In conclusion, Claude Haiku 5.5 is more expensive than Pixtral-12B.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Fri Oct 09 2026 • llm-stats.com
Anthropic
Claude Haiku 5.5
Input tokens$0.10
Output tokens$0.50
Best providerAnthropic
Mistral AI
Pixtral-12B
Input tokens$0.15
Output tokens$0.15
Best providerMistral
Notice missing or incorrect data?

Context Window

Maximum input and output token capacity

Claude Haiku 5.5 accepts 1,000,000 input tokens compared to Pixtral-12B's 128,000 tokens. Claude Haiku 5.5 can generate longer responses up to 128,000 tokens, while Pixtral-12B is limited to 8,192 tokens.

Anthropic
Claude Haiku 5.5
Input1,000,000 tokens
Output128,000 tokens
Mistral AI
Pixtral-12B
Input128,000 tokens
Output8,192 tokens
Fri Oct 09 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Claude Haiku 5.5 and Pixtral-12B support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Claude Haiku 5.5

Text
Images
Audio
Video

Pixtral-12B

Text
Images
Audio
Video

License

Usage and distribution terms

Claude Haiku 5.5 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 Haiku 5.5

Proprietary

Closed source

Pixtral-12B

Apache 2.0

Open weights

Release Timeline

When each model was launched

Claude Haiku 5.5 was released on 2026-10-07, while Pixtral-12B was released on 2024-09-17.

Claude Haiku 5.5 is 25 months newer than Pixtral-12B.

Claude Haiku 5.5

Oct 7, 2026

1 days ago

2.1yr newer
Pixtral-12B

Sep 17, 2024

2.1 years ago

Knowledge Cutoff

When training data ends

Claude Haiku 5.5 has a documented knowledge cutoff of 2026-06-01, while Pixtral-12B's cutoff date is not specified.

We can confirm Claude Haiku 5.5's training data extends to 2026-06-01, but cannot make a direct comparison without Pixtral-12B's cutoff date.

Claude Haiku 5.5

Jun 2026

Pixtral-12B

—

Provider Availability

Claude Haiku 5.5 is available from Anthropic. Pixtral-12B is available from Mistral AI.

Claude Haiku 5.5

anthropic logo
Anthropic
Input Price:Input: $0.10/1MOutput Price:Output: $0.50/1M

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?

Judge for yourself.

Run your own prompts against Claude Haiku 5.5 and Pixtral-12B side-by-side, then vote on the output you prefer.

Claude Haiku 5.5
✓ Preferred
Pixtral-12B
Open in Playground

FAQ

Common questions about Claude Haiku 5.5 vs Pixtral-12B.

Which is better, Claude Haiku 5.5 or Pixtral-12B?

Claude Haiku 5.5 leads the LLM Stats Score 50.0 to -1.6. Claude Haiku 5.5 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 Haiku 5.5 compare to Pixtral-12B in benchmarks?

Claude Haiku 5.5 scores Global-MMLU: 87.8%, MILU: 87.6%, BenchCAD (with Python tool): 87.0%, Chartography: 86.2%, SWE-bench Multilingual: 83.7%. Pixtral-12B scores DocVQA: 90.7%, ChartQA: 81.8%, VQAv2: 78.6%, MT-Bench: 76.8%, HumanEval: 72.0%.

Is Claude Haiku 5.5 cheaper than Pixtral-12B?

Claude Haiku 5.5 is 1.5x cheaper for input tokens. Claude Haiku 5.5 costs $0.10/M input and $0.50/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 Haiku 5.5 and Pixtral-12B?

Claude Haiku 5.5 supports 1.0M 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 Haiku 5.5 and Pixtral-12B?

Key differences include LLM Stats Score (50.0 vs -1.6), context window (1.0M vs 128K), input pricing ($0.10 vs $0.15/M), licensing (Proprietary vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Haiku 5.5 and Pixtral-12B?

Claude Haiku 5.5 is developed by Anthropic and Pixtral-12B is developed by Mistral AI.