The AI arena is free today

Open Superagent

Claude 3 Haiku vs Gemini 2.5 Pro

Gemini 2.5 Pro leads the LLM Stats Score 27.9 to -1.2. Claude 3 Haiku is 6.9x cheaper per token.

Anthropic · Google · Updated for 2026

Which is better?

Gemini 2.5 Pro leads the overall LLM Stats Score 27.9 to -1.2, ranking #128 overall.

In the 1 individual benchmarks reported for both models, Gemini 2.5 Pro wins 1; this is a narrower head-to-head signal than the composite indexes.

On price, Claude 3 Haiku is roughly 6.9x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Gemini 2.5 Pro 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 3 Haiku

  • cost matters — it's about 6.9x cheaper per token

Choose Gemini 2.5 Pro

  • overall performance matters — it scores 27.9 and ranks #128 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 1 of 1 exact shared results
  • you process long inputs — it offers a 1,048,576 token context window
  • you want the most recent training data — it shipped May 2025

At a glance

The differences that matter most.

Core performance indexes
-1.2
#322
27.9
#128
-1.3
#314
27.3
#129
0.7
#229
13.1
#130
Cost, coverage & limits
Benchmark wins
0 of 1
1 of 1
Input price
$0.25 / M
$1.25 / M
Output price
$1.25 / M
$10.00 / M
Context window
200,000
1,048,576

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Claude 3 Haiku
Gemini 2.5 Pro
4.7#272
22.6#128
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

10 reported for Claude 3 Haiku · 16 for Gemini 2.5 Pro

1 shared

Claude 3 Haiku outperforms in 0 benchmarks, while Gemini 2.5 Pro is better at 1 benchmark (GPQA).

Gemini 2.5 Pro significantly outperforms across most benchmarks.

Thu Sep 03 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Claude 3 Haiku costs less

For input processing, Claude 3 Haiku ($0.25/1M tokens) is 5.0x cheaper than Gemini 2.5 Pro ($1.25/1M tokens).

For output processing, Claude 3 Haiku ($1.25/1M tokens) is 8.0x cheaper than Gemini 2.5 Pro ($10.00/1M tokens).

In conclusion, Gemini 2.5 Pro is more expensive than Claude 3 Haiku.*

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

Lowest available price from all providers
Thu Sep 03 2026 • llm-stats.com
Anthropic
Claude 3 Haiku
Input tokens$0.25
Output tokens$1.25
Best providerAnthropic
Google
Gemini 2.5 Pro
Input tokens$1.25
Output tokens$10.00
Best providerGoogle
Notice missing or incorrect data?Start an Issue

Context Window

Maximum input and output token capacity

Gemini 2.5 Pro accepts 1,048,576 input tokens compared to Claude 3 Haiku's 200,000 tokens. Claude 3 Haiku can generate longer responses up to 200,000 tokens, while Gemini 2.5 Pro is limited to 65,536 tokens.

Anthropic
Claude 3 Haiku
Input200,000 tokens
Output200,000 tokens
Google
Gemini 2.5 Pro
Input1,048,576 tokens
Output65,536 tokens
Thu Sep 03 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Claude 3 Haiku and Gemini 2.5 Pro support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Claude 3 Haiku

Text
Images
Audio
Video

Gemini 2.5 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 3 Haiku

Proprietary

Closed source

Gemini 2.5 Pro

Proprietary

Closed source

Release Timeline

When each model was launched

Claude 3 Haiku was released on 2024-03-13, while Gemini 2.5 Pro was released on 2025-05-20.

Gemini 2.5 Pro is 14 months newer than Claude 3 Haiku.

Claude 3 Haiku

Mar 13, 2024

2.5 years ago

Gemini 2.5 Pro

May 20, 2025

1.3 years ago

1.2yr newer

Knowledge Cutoff

When training data ends

Gemini 2.5 Pro has a documented knowledge cutoff of 2025-01-31, while Claude 3 Haiku's cutoff date is not specified.

We can confirm Gemini 2.5 Pro's training data extends to 2025-01-31, but cannot make a direct comparison without Claude 3 Haiku's cutoff date.

Claude 3 Haiku

Gemini 2.5 Pro

Jan 2025

Provider Availability

Claude 3 Haiku is available from Anthropic, Bedrock, Google. Gemini 2.5 Pro is available from Google.

Claude 3 Haiku

anthropic logo
Anthropic
Input Price:Input: $0.25/1MOutput Price:Output: $1.25/1M
bedrock logo
AWS Bedrock
Input Price:Input: $0.25/1MOutput Price:Output: $1.25/1M
google logo
Google
Input Price:Input: $0.25/1MOutput Price:Output: $1.25/1M

Gemini 2.5 Pro

google logo
Google
Input Price:Input: $1.25/1MOutput Price:Output: $10.00/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Judge for yourself.

Run your own prompts against Claude 3 Haiku and Gemini 2.5 Pro side-by-side, then vote on the output you prefer.

Claude 3 Haiku
✓ Preferred
Gemini 2.5 Pro
Open in Playground

FAQ

Common questions about Claude 3 Haiku vs Gemini 2.5 Pro.

Which is better, Claude 3 Haiku or Gemini 2.5 Pro?

Gemini 2.5 Pro leads the LLM Stats Score 27.9 to -1.2. Claude 3 Haiku is made by Anthropic and Gemini 2.5 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 3 Haiku compare to Gemini 2.5 Pro in benchmarks?

Claude 3 Haiku scores ARC-C: 89.2%, GSM8k: 88.9%, HellaSwag: 85.9%, DROP: 78.4%, HumanEval: 75.9%. Gemini 2.5 Pro scores MRCR: 93.0%, AIME 2024: 92.0%, Global-MMLU-Lite: 88.6%, Video-MME: 84.8%, AIME 2025: 83.0%.

Is Claude 3 Haiku cheaper than Gemini 2.5 Pro?

Claude 3 Haiku is 5.0x cheaper for input tokens. Claude 3 Haiku costs $0.25/M input and $1.25/M output via anthropic. Gemini 2.5 Pro costs $1.25/M input and $10.00/M output via google.

What are the context window sizes for Claude 3 Haiku and Gemini 2.5 Pro?

Claude 3 Haiku supports 200K tokens and Gemini 2.5 Pro 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 3 Haiku and Gemini 2.5 Pro?

Key differences include LLM Stats Score (-1.2 vs 27.9), context window (200K vs 1.0M), input pricing ($0.25 vs $1.25/M). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude 3 Haiku and Gemini 2.5 Pro?

Claude 3 Haiku is developed by Anthropic and Gemini 2.5 Pro is developed by Google.