The AI arena is free today

Open Superagent

Claude Haiku 5.5 vs Shieldstral 1.0 (3B)

Claude Haiku 5.5 leads the LLM Stats Score 49.9 to -2.7.

Anthropic · Mistral AI · Updated for 2026

Which is better?

Claude Haiku 5.5 leads the overall LLM Stats Score 49.9 to -2.7, ranking #20 overall.

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

Choose Claude Haiku 5.5

  • overall performance matters — it scores 49.9 and ranks #20 on LLM Stats
  • you want the most recent training data — it shipped Oct 2026

Choose Shieldstral 1.0 (3B)

  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Claude Haiku 5.5
Anthropic
Shieldstral 1.0 (3B)
Mistral AI
Core performance indexes
LLM Stats Score
49.9
#20
-2.7
#364
Cost, coverage & limits
Benchmark wins
—
—
Input price
$0.10 / M
— / M
Output price
$0.50 / M
— / M
Context window
1,000,000
—

Individual benchmarks

36 reported for Claude Haiku 5.5 · 1 for Shieldstral 1.0 (3B)

No common benchmarks found

Claude Haiku 5.5 and Shieldstral 1.0 (3B)don'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

Context Window

Maximum input and output token capacity

Only Claude Haiku 5.5 specifies input context (1,000,000 tokens). Only Claude Haiku 5.5 specifies output context (128,000 tokens).

Anthropic
Claude Haiku 5.5
Input1,000,000 tokens
Output128,000 tokens
Mistral AI
Shieldstral 1.0 (3B)
Input- tokens
Output- tokens
Thu Oct 22 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Claude Haiku 5.5 and Shieldstral 1.0 (3B) 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

Shieldstral 1.0 (3B)

Text
Images
Audio
Video

License

Usage and distribution terms

Claude Haiku 5.5 is licensed under a proprietary license, while Shieldstral 1.0 (3B) 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

Shieldstral 1.0 (3B)

Apache 2.0

Open weights

Release Timeline

When each model was launched

Claude Haiku 5.5 was released on 2026-10-07, while Shieldstral 1.0 (3B) was released on 2026-08-04.

Claude Haiku 5.5 is 2 months newer than Shieldstral 1.0 (3B).

Claude Haiku 5.5

Oct 7, 2026

1 weeks ago

2mo newer
Shieldstral 1.0 (3B)

Aug 4, 2026

2 months ago

Knowledge Cutoff

When training data ends

Claude Haiku 5.5 has a documented knowledge cutoff of 2026-06-01, while Shieldstral 1.0 (3B)'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 Shieldstral 1.0 (3B)'s cutoff date.

Claude Haiku 5.5

Jun 2026

Shieldstral 1.0 (3B)

—

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Claude Haiku 5.5 and Shieldstral 1.0 (3B) side-by-side, then vote on the output you prefer.

Claude Haiku 5.5
✓ Preferred
Shieldstral 1.0 (3B)
Open in Playground

FAQ

Common questions about Claude Haiku 5.5 vs Shieldstral 1.0 (3B).

Which is better, Claude Haiku 5.5 or Shieldstral 1.0 (3B)?

Claude Haiku 5.5 leads the LLM Stats Score 49.9 to -2.7. Claude Haiku 5.5 is made by Anthropic and Shieldstral 1.0 (3B) 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 Shieldstral 1.0 (3B) 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%. Shieldstral 1.0 (3B) scores XSTest: 94.6%.

What are the context window sizes for Claude Haiku 5.5 and Shieldstral 1.0 (3B)?

Claude Haiku 5.5 supports 1.0M tokens and Shieldstral 1.0 (3B) supports an unknown number of 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 Shieldstral 1.0 (3B)?

Key differences include LLM Stats Score (49.9 vs -2.7), licensing (Proprietary vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Haiku 5.5 and Shieldstral 1.0 (3B)?

Claude Haiku 5.5 is developed by Anthropic and Shieldstral 1.0 (3B) is developed by Mistral AI.

Related comparisons