Claude 3.5 Haiku vs Gemini 2.5 Pro
Gemini 2.5 Pro leads the LLM Stats Score 27.9 to 5.4. Claude 3.5 Haiku is 2.1x cheaper per token.
Anthropic · Google · Updated for 2026
Which is better?
Gemini 2.5 Pro leads the overall LLM Stats Score 27.9 to 5.4, ranking #124 overall.
In the 2 individual benchmarks reported for both models, Gemini 2.5 Pro wins 2; this is a narrower head-to-head signal than the composite indexes.
On price, Claude 3.5 Haiku is roughly 2.1x 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 3.5 Haiku
- cost matters — it's about 2.1x cheaper per token
Choose Gemini 2.5 Pro
- overall performance matters — it scores 27.9 and ranks #124 on LLM Stats
- your work emphasizes reasoning — it leads those capability indexes
- you value its reported benchmark strengths — it wins 2 of 2 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.
Capability indexes
Additional strengths measured across groups of related public benchmarks
Individual benchmarks
9 reported for Claude 3.5 Haiku · 16 for Gemini 2.5 Pro
Claude 3.5 Haiku outperforms in 0 benchmarks, while Gemini 2.5 Pro is better at 2 benchmarks (GPQA, SWE-Bench Verified).
Gemini 2.5 Pro significantly outperforms across most benchmarks.
Human preference
Blind head-to-head votes and playground preference scores
Pricing Analysis
Price comparison per million tokens
For input processing, Claude 3.5 Haiku ($0.80/1M tokens) is 1.6x cheaper than Gemini 2.5 Pro ($1.25/1M tokens).
For output processing, Claude 3.5 Haiku ($4.00/1M tokens) is 2.5x cheaper than Gemini 2.5 Pro ($10.00/1M tokens).
In conclusion, Gemini 2.5 Pro is more expensive than Claude 3.5 Haiku.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Gemini 2.5 Pro accepts 1,048,576 input tokens compared to Claude 3.5 Haiku's 200,000 tokens. Claude 3.5 Haiku can generate longer responses up to 200,000 tokens, while Gemini 2.5 Pro is limited to 65,536 tokens.
Input capabilities
Documented input modalities across available providers
Gemini 2.5 Pro supports multimodal inputs, whereas Claude 3.5 Haiku does not.
Gemini 2.5 Pro can handle both text and other forms of data like images, making it suitable for multimodal applications.
Claude 3.5 Haiku
Gemini 2.5 Pro
License
Usage and distribution terms
Both models are licensed under proprietary licenses.
Both models have usage restrictions defined by their respective organizations.
Proprietary
Closed source
Proprietary
Closed source
Release Timeline
When each model was launched
Claude 3.5 Haiku was released on 2024-10-22, while Gemini 2.5 Pro was released on 2025-05-20.
Gemini 2.5 Pro is 7 months newer than Claude 3.5 Haiku.
Oct 22, 2024
1.9 years ago
May 20, 2025
1.3 years ago
7mo newerKnowledge Cutoff
When training data ends
Gemini 2.5 Pro has a documented knowledge cutoff of 2025-01-31, while Claude 3.5 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 3.5 Haiku's cutoff date.
—
Jan 2025
Provider Availability
Claude 3.5 Haiku is available from Bedrock, Google, Anthropic. Gemini 2.5 Pro is available from Google.
Claude 3.5 Haiku
Gemini 2.5 Pro
Outputs Comparison
Judge for yourself.
Run your own prompts against Claude 3.5 Haiku and Gemini 2.5 Pro side-by-side, then vote on the output you prefer.
FAQ
Common questions about Claude 3.5 Haiku vs Gemini 2.5 Pro.