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Claude Haiku 5.5 vs Gemini 1.5 Pro

Claude Haiku 5.5 leads the LLM Stats Score 50.0 to 12.0. Claude Haiku 5.5 is 21.9x cheaper per token.

Anthropic · Google · Updated for 2026

Which is better?

Claude Haiku 5.5 leads the overall LLM Stats Score 50.0 to 12.0, ranking #19 overall.

On price, Claude Haiku 5.5 is roughly 21.9x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Gemini 1.5 Pro also accepts a larger context window (2,097,152 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
  • cost matters — it's about 21.9x cheaper per token
  • you want the most recent training data — it shipped Oct 2026

Choose Gemini 1.5 Pro

  • you process long inputs — it offers a 2,097,152 token context window

At a glance

The differences that matter most.

Claude Haiku 5.5
Anthropic
Gemini 1.5 Pro
Google
Core performance indexes
LLM Stats Score
50.0
#19
12.0
#271
Reasoning
47.2
#27
11.8
#266
Coding
40.2
#13
4.3
#222
Cost, coverage & limits
Benchmark wins
—
—
Input price
$0.10 / M
$2.50 / M
Output price
$0.50 / M
$10.00 / M
Context window
1,000,000
2,097,152

Capability indexes

Additional strengths measured across groups of related public benchmarks

3 shared
Index
Claude Haiku 5.5
Gemini 1.5 Pro
Math
25.7#110
16.9#206
Vision
30.4#33
9.3#137
Multimodal
31.4#27
13.3#109
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

36 reported for Claude Haiku 5.5 · 23 for Gemini 1.5 Pro

No common benchmarks found

Claude Haiku 5.5 and Gemini 1.5 Prodon'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

Claude Haiku 5.5 costs less

For input processing, Claude Haiku 5.5 ($0.10/1M tokens) is 25.0x cheaper than Gemini 1.5 Pro ($2.50/1M tokens).

For output processing, Claude Haiku 5.5 ($0.50/1M tokens) is 20.0x cheaper than Gemini 1.5 Pro ($10.00/1M tokens).

In conclusion, Gemini 1.5 Pro is more expensive than Claude Haiku 5.5.*

* 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 Pro
Input tokens$2.50
Output tokens$10.00
Best providerGoogle
Notice missing or incorrect data?

Context Window

Maximum input and output token capacity

Gemini 1.5 Pro accepts 2,097,152 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 Pro is limited to 8,192 tokens.

Anthropic
Claude Haiku 5.5
Input1,000,000 tokens
Output128,000 tokens
Google
Gemini 1.5 Pro
Input2,097,152 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 Pro 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 Pro

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 Pro

Proprietary

Closed source

Release Timeline

When each model was launched

Claude Haiku 5.5 was released on 2026-10-07, while Gemini 1.5 Pro was released on 2024-05-01.

Claude Haiku 5.5 is 30 months newer than Gemini 1.5 Pro.

Claude Haiku 5.5

Oct 7, 2026

1 days ago

2.4yr newer
Gemini 1.5 Pro

May 1, 2024

2.4 years ago

Knowledge Cutoff

When training data ends

Claude Haiku 5.5 has a knowledge cutoff of 2026-06-01, while Gemini 1.5 Pro has a cutoff of 2023-11-01.

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 Pro (2023-11-01).

Claude Haiku 5.5

Jun 2026

2.6 yr newer
Gemini 1.5 Pro

Nov 2023

Provider Availability

Claude Haiku 5.5 is available from Anthropic. Gemini 1.5 Pro 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 Pro

google logo
Google
Input Price:Input: $2.50/1MOutput Price:Output: $10.00/1M
* 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 Pro side-by-side, then vote on the output you prefer.

Claude Haiku 5.5
✓ Preferred
Gemini 1.5 Pro
Open in Playground

FAQ

Common questions about Claude Haiku 5.5 vs Gemini 1.5 Pro.

Which is better, Claude Haiku 5.5 or Gemini 1.5 Pro?

Claude Haiku 5.5 leads the LLM Stats Score 50.0 to 12.0. Claude Haiku 5.5 is made by Anthropic and Gemini 1.5 Pro 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 Pro 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 Pro scores XSTest: 98.8%, FLEURS: 93.3%, HellaSwag: 93.3%, GSM8k: 90.8%, BIG-Bench Hard: 89.2%.

Is Claude Haiku 5.5 cheaper than Gemini 1.5 Pro?

Claude Haiku 5.5 is 25.0x cheaper for input tokens. Claude Haiku 5.5 costs $0.10/M input and $0.50/M output via anthropic. Gemini 1.5 Pro costs $2.50/M input and $10.00/M output via google.

What are the context window sizes for Claude Haiku 5.5 and Gemini 1.5 Pro?

Claude Haiku 5.5 supports 1.0M tokens and Gemini 1.5 Pro supports 2.1M 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 Pro?

Key differences include LLM Stats Score (50.0 vs 12.0), context window (1.0M vs 2.1M), input pricing ($0.10 vs $2.50/M). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Haiku 5.5 and Gemini 1.5 Pro?

Claude Haiku 5.5 is developed by Anthropic and Gemini 1.5 Pro is developed by Google.

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