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Claude Haiku 5.5 vs Gemini 3.8 Flash Cyber

Claude Haiku 5.5 and Gemini 3.8 Flash Cyber are closely matched at 50.1 and 39.4 on the LLM Stats Score.

Anthropic · Google · Updated for 2026

Which is better?

Claude Haiku 5.5 and Gemini 3.8 Flash Cyber are closely matched on the overall LLM Stats Score at 50.1 and 39.4.

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

Choose Claude Haiku 5.5

  • you want the most recent training data — it shipped Oct 2026

Choose Gemini 3.8 Flash Cyber

  • you are already invested in the Google ecosystem

At a glance

The differences that matter most.

Claude Haiku 5.5
Anthropic
Gemini 3.8 Flash Cyber
Google
Core performance indexes
LLM Stats Score
50.1
#18
39.4
#69
Coding
40.0
#12
32.1
#49
Agents
33.6
#29
28.4
#51
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 · 4 for Gemini 3.8 Flash Cyber

No common benchmarks found

Claude Haiku 5.5 and Gemini 3.8 Flash Cyberdon'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
Google
Gemini 3.8 Flash Cyber
Input- tokens
Output- tokens
Mon Oct 19 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Claude Haiku 5.5 supports multimodal inputs, whereas Gemini 3.8 Flash Cyber does not.

Claude Haiku 5.5 can handle both text and other forms of data like images, making it suitable for multimodal applications.

Claude Haiku 5.5

Text
Images
Audio
Video

Gemini 3.8 Flash Cyber

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

Claude Haiku 5.5

Proprietary

Closed source

Gemini 3.8 Flash Cyber

Proprietary

Closed source

Release Timeline

When each model was launched

Claude Haiku 5.5 was released on 2026-10-07, while Gemini 3.8 Flash Cyber was released on 2026-09-02.

Claude Haiku 5.5 is 1 month newer than Gemini 3.8 Flash Cyber.

Claude Haiku 5.5

Oct 7, 2026

1 weeks ago

1mo newer
Gemini 3.8 Flash Cyber

Sep 2, 2026

1 months ago

Knowledge Cutoff

When training data ends

Claude Haiku 5.5 has a documented knowledge cutoff of 2026-06-01, while Gemini 3.8 Flash Cyber'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 Gemini 3.8 Flash Cyber's cutoff date.

Claude Haiku 5.5

Jun 2026

Gemini 3.8 Flash Cyber

—

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Claude Haiku 5.5 and Gemini 3.8 Flash Cyber side-by-side, then vote on the output you prefer.

Claude Haiku 5.5
✓ Preferred
Gemini 3.8 Flash Cyber
Open in Playground

FAQ

Common questions about Claude Haiku 5.5 vs Gemini 3.8 Flash Cyber.

Which is better, Claude Haiku 5.5 or Gemini 3.8 Flash Cyber?

Claude Haiku 5.5 and Gemini 3.8 Flash Cyber are closely matched on the LLM Stats Score at 50.1 and 39.4. Claude Haiku 5.5 is made by Anthropic and Gemini 3.8 Flash Cyber is made by Google. 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 Gemini 3.8 Flash Cyber 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%. Gemini 3.8 Flash Cyber scores Gray Swan IPI Benchmark: 94.0%, CyberGym: 86.2%, Google Real-world Vulnerability Discovery: 71.0%, CWE-Bench: 47.2%.

What are the context window sizes for Claude Haiku 5.5 and Gemini 3.8 Flash Cyber?

Claude Haiku 5.5 supports 1.0M tokens and Gemini 3.8 Flash Cyber 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 Gemini 3.8 Flash Cyber?

Key differences include LLM Stats Score (50.1 vs 39.4), multimodal support (yes vs no). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Haiku 5.5 and Gemini 3.8 Flash Cyber?

Claude Haiku 5.5 is developed by Anthropic and Gemini 3.8 Flash Cyber is developed by Google.

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