The AI arena is free today

Open Superagent

Claude Haiku 5.5 vs Gemini 1.5 Flash 8B

Claude Haiku 5.5 leads the LLM Stats Score 50.0 to -0.8. Gemini 1.5 Flash 8B is 1.6x cheaper per token.

Anthropic · Google · Updated for 2026

Which is better?

Claude Haiku 5.5 leads the overall LLM Stats Score 50.0 to -0.8, ranking #19 overall.

On price, Gemini 1.5 Flash 8B is roughly 1.6x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Gemini 1.5 Flash 8B 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 — it leads those capability indexes
  • you want the most recent training data — it shipped Oct 2026

Choose Gemini 1.5 Flash 8B

  • cost matters — it's about 1.6x cheaper per token
  • you process long inputs — it offers a 1,048,576 token context window

At a glance

The differences that matter most.

Core performance indexes
50.0
#19
-0.8
#347
47.2
#27
-0.4
#338
Cost, coverage & limits
Benchmark wins
—
—
Input price
$0.10 / M
$0.07 / M
Output price
$0.50 / M
$0.30 / 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 1.5 Flash 8B
25.7#110
2.4#298
30.4#33
-2.5#202
31.4#27
0.1#164
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

36 reported for Claude Haiku 5.5 · 13 for Gemini 1.5 Flash 8B

No common benchmarks found

Claude Haiku 5.5 and Gemini 1.5 Flash 8Bdon'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 1.5 Flash 8B costs less

For input processing, Claude Haiku 5.5 ($0.10/1M tokens) is 1.4x more expensive than Gemini 1.5 Flash 8B ($0.07/1M tokens).

For output processing, Claude Haiku 5.5 ($0.50/1M tokens) is 1.7x more expensive than Gemini 1.5 Flash 8B ($0.30/1M tokens).

In conclusion, Claude Haiku 5.5 is more expensive than Gemini 1.5 Flash 8B.*

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

Lowest available price from all providers
Thu Oct 08 2026 • llm-stats.com
Anthropic
Claude Haiku 5.5
Input tokens$0.10
Output tokens$0.50
Best providerAnthropic
Google
Gemini 1.5 Flash 8B
Input tokens$0.07
Output tokens$0.30
Best providerGoogle
Notice missing or incorrect data?

Context Window

Maximum input and output token capacity

Gemini 1.5 Flash 8B 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 1.5 Flash 8B is limited to 8,192 tokens.

Anthropic
Claude Haiku 5.5
Input1,000,000 tokens
Output128,000 tokens
Google
Gemini 1.5 Flash 8B
Input1,048,576 tokens
Output8,192 tokens
Thu Oct 08 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Claude Haiku 5.5 and Gemini 1.5 Flash 8B 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 1.5 Flash 8B

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 1.5 Flash 8B

Proprietary

Closed source

Release Timeline

When each model was launched

Claude Haiku 5.5 was released on 2026-10-07, while Gemini 1.5 Flash 8B was released on 2024-03-15.

Claude Haiku 5.5 is 31 months newer than Gemini 1.5 Flash 8B.

Claude Haiku 5.5

Oct 7, 2026

1 days ago

2.6yr newer
Gemini 1.5 Flash 8B

Mar 15, 2024

2.6 years ago

Knowledge Cutoff

When training data ends

Claude Haiku 5.5 has a knowledge cutoff of 2026-06-01, while Gemini 1.5 Flash 8B has a cutoff of 2024-10-01.

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 1.5 Flash 8B (2024-10-01).

Claude Haiku 5.5

Jun 2026

1.7 yr newer
Gemini 1.5 Flash 8B

Oct 2024

Provider Availability

Claude Haiku 5.5 is available from Anthropic. Gemini 1.5 Flash 8B is available from Google.

Claude Haiku 5.5

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

Gemini 1.5 Flash 8B

google logo
Google
Input Price:Input: $0.07/1MOutput Price:Output: $0.30/1M
* 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 1.5 Flash 8B side-by-side, then vote on the output you prefer.

Claude Haiku 5.5
✓ Preferred
Gemini 1.5 Flash 8B
Open in Playground

FAQ

Common questions about Claude Haiku 5.5 vs Gemini 1.5 Flash 8B.

Which is better, Claude Haiku 5.5 or Gemini 1.5 Flash 8B?

Claude Haiku 5.5 leads the LLM Stats Score 50.0 to -0.8. Claude Haiku 5.5 is made by Anthropic and Gemini 1.5 Flash 8B 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 1.5 Flash 8B 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 1.5 Flash 8B scores XSTest: 92.6%, FLEURS: 86.4%, Natural2Code: 75.5%, WMT23: 72.6%, Video-MME: 66.2%.

Is Claude Haiku 5.5 cheaper than Gemini 1.5 Flash 8B?

Gemini 1.5 Flash 8B is 1.4x cheaper for input tokens. Claude Haiku 5.5 costs $0.10/M input and $0.50/M output via anthropic. Gemini 1.5 Flash 8B costs $0.07/M input and $0.30/M output via google.

What are the context window sizes for Claude Haiku 5.5 and Gemini 1.5 Flash 8B?

Claude Haiku 5.5 supports 1.0M tokens and Gemini 1.5 Flash 8B 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 1.5 Flash 8B?

Key differences include LLM Stats Score (50.0 vs -0.8), context window (1.0M vs 1.0M), input pricing ($0.10 vs $0.07/M). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Haiku 5.5 and Gemini 1.5 Flash 8B?

Claude Haiku 5.5 is developed by Anthropic and Gemini 1.5 Flash 8B is developed by Google.