The AI arena is free today

Open Superagent

Claude Haiku 5.5 vs Gemini 2.5 Flash-Lite

Claude Haiku 5.5 leads the LLM Stats Score 50.0 to 10.4. Gemini 2.5 Flash-Lite is 1.1x cheaper per token.

Anthropic · Google · Updated for 2026

Which is better?

Claude Haiku 5.5 leads the overall LLM Stats Score 50.0 to 10.4, ranking #19 overall.

On price, Gemini 2.5 Flash-Lite is roughly 1.1x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Gemini 2.5 Flash-Lite also accepts a larger context window (1,048,576 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 want the most recent training data — it shipped Oct 2026

Choose Gemini 2.5 Flash-Lite

  • cost matters — it's about 1.1x cheaper per token
  • you process long inputs — it offers a 1,048,576 token context window
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Claude Haiku 5.5
Anthropic
Gemini 2.5 Flash-Lite
Google
Core performance indexes
LLM Stats Score
50.0
#19
10.4
#280
Reasoning
47.2
#27
10.9
#274
Coding
40.2
#13
-2.9
#266
Cost, coverage & limits
Benchmark wins
—
—
Input price
$0.10 / M
$0.10 / M
Output price
$0.50 / M
$0.40 / M
Context window
1,000,000
1,048,576

Capability indexes

Additional strengths measured across groups of related public benchmarks

3 shared
Index
Claude Haiku 5.5
Gemini 2.5 Flash-Lite
Math
25.7#110
4.0#292
Vision
30.4#33
3.5#172
Multimodal
31.4#27
11.5#120
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

36 reported for Claude Haiku 5.5 · 13 for Gemini 2.5 Flash-Lite

No common benchmarks found

Claude Haiku 5.5 and Gemini 2.5 Flash-Litedon'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

Gemini 2.5 Flash-Lite costs less

For input processing, Claude Haiku 5.5 ($0.10/1M tokens) costs the same as Gemini 2.5 Flash-Lite ($0.10/1M tokens).

For output processing, Claude Haiku 5.5 ($0.50/1M tokens) is 1.3x more expensive than Gemini 2.5 Flash-Lite ($0.40/1M tokens).

In conclusion, Claude Haiku 5.5 is more expensive than Gemini 2.5 Flash-Lite.*

* 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
Google
Gemini 2.5 Flash-Lite
Input tokens$0.10
Output tokens$0.40
Best providerGoogle
Notice missing or incorrect data?

Context Window

Maximum input and output token capacity

Gemini 2.5 Flash-Lite accepts 1,048,576 input tokens compared to Claude Haiku 5.5's 1,000,000 tokens. Claude Haiku 5.5 can generate longer responses up to 128,000 tokens, while Gemini 2.5 Flash-Lite is limited to 65,536 tokens.

Anthropic
Claude Haiku 5.5
Input1,000,000 tokens
Output128,000 tokens
Google
Gemini 2.5 Flash-Lite
Input1,048,576 tokens
Output65,536 tokens
Fri Oct 09 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Claude Haiku 5.5 and Gemini 2.5 Flash-Lite 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

Gemini 2.5 Flash-Lite

Text
Images
Audio
Video

License

Usage and distribution terms

Claude Haiku 5.5 is licensed under a proprietary license, while Gemini 2.5 Flash-Lite uses Creative Commons Attribution 4.0 License.

License differences may affect how you can use these models in commercial or open-source projects.

Claude Haiku 5.5

Proprietary

Closed source

Gemini 2.5 Flash-Lite

Creative Commons Attribution 4.0 License

Open weights

Release Timeline

When each model was launched

Claude Haiku 5.5 was released on 2026-10-07, while Gemini 2.5 Flash-Lite was released on 2025-06-17.

Claude Haiku 5.5 is 16 months newer than Gemini 2.5 Flash-Lite.

Claude Haiku 5.5

Oct 7, 2026

1 days ago

1.3yr newer
Gemini 2.5 Flash-Lite

Jun 17, 2025

1.3 years ago

Knowledge Cutoff

When training data ends

Claude Haiku 5.5 has a knowledge cutoff of 2026-06-01, while Gemini 2.5 Flash-Lite has a cutoff of 2025-01-01.

Claude Haiku 5.5 has more recent training data (up to 2026-06-01), making it potentially better informed about events through that date compared to Gemini 2.5 Flash-Lite (2025-01-01).

Claude Haiku 5.5

Jun 2026

1.4 yr newer
Gemini 2.5 Flash-Lite

Jan 2025

Provider Availability

Claude Haiku 5.5 is available from Anthropic. Gemini 2.5 Flash-Lite is available from Google.

Claude Haiku 5.5

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

Gemini 2.5 Flash-Lite

google logo
Google
Input Price:Input: $0.10/1MOutput Price:Output: $0.40/1M
* 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 Gemini 2.5 Flash-Lite side-by-side, then vote on the output you prefer.

Claude Haiku 5.5
✓ Preferred
Gemini 2.5 Flash-Lite
Open in Playground

FAQ

Common questions about Claude Haiku 5.5 vs Gemini 2.5 Flash-Lite.

Which is better, Claude Haiku 5.5 or Gemini 2.5 Flash-Lite?

Claude Haiku 5.5 leads the LLM Stats Score 50.0 to 10.4. Claude Haiku 5.5 is made by Anthropic and Gemini 2.5 Flash-Lite 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 2.5 Flash-Lite 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 2.5 Flash-Lite scores FACTS Grounding: 84.1%, Global-MMLU-Lite: 81.1%, MMMU: 72.9%, GPQA: 64.6%, Vibe-Eval: 51.3%.

Is Claude Haiku 5.5 cheaper than Gemini 2.5 Flash-Lite?

Both models cost $0.10 per million input tokens.

What are the context window sizes for Claude Haiku 5.5 and Gemini 2.5 Flash-Lite?

Claude Haiku 5.5 supports 1.0M tokens and Gemini 2.5 Flash-Lite supports 1.0M 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 2.5 Flash-Lite?

Key differences include LLM Stats Score (50.0 vs 10.4), context window (1.0M vs 1.0M), licensing (Proprietary vs Creative Commons Attribution 4.0 License). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Haiku 5.5 and Gemini 2.5 Flash-Lite?

Claude Haiku 5.5 is developed by Anthropic and Gemini 2.5 Flash-Lite is developed by Google.

Related comparisons