Model Comparison
Claude Haiku 4.5 vs Gemini 2.5 Pro Preview 06-05Which is better in 2026?
Gemini 2.5 Pro Preview 06-05 shows notably better performance in the majority of benchmarks. Claude Haiku 4.5 is 1.7x cheaper per token.
Verdict: Claude Haiku 4.5 vs Gemini 2.5 Pro Preview 06-05 — which is better?
Claude Haiku 4.5 (by Anthropic) and Gemini 2.5 Pro Preview 06-05 (by Google) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.
Claude Haiku 4.5 outperforms in 1 benchmarks (SWE-Bench Verified), while Gemini 2.5 Pro Preview 06-05 is better at 2 benchmarks (AIME 2025, GPQA). Gemini 2.5 Pro Preview 06-05 shows notably better performance in the majority of benchmarks.
On price, Claude Haiku 4.5 is roughly 1.7x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Gemini 2.5 Pro Preview 06-05 also accepts a larger context window (1,048,576 input tokens), making it the stronger choice for long documents and large codebases.
Choose Claude Haiku 4.5 if…
- cost matters — it's about 1.7x cheaper per token
- you want the most recent training data — it shipped Oct 2025
Choose Gemini 2.5 Pro Preview 06-05 if…
- you want the strongest raw capability — it leads on 2 of 3 shared benchmarks
- you process long inputs — it offers a 1,048,576 token context window
Performance Benchmarks
Comparative analysis across standard metrics
Claude Haiku 4.5 outperforms in 1 benchmarks (SWE-Bench Verified), while Gemini 2.5 Pro Preview 06-05 is better at 2 benchmarks (AIME 2025, GPQA).
Gemini 2.5 Pro Preview 06-05 shows notably better performance in the majority of benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, Claude Haiku 4.5 ($1.00/1M tokens) is 1.3x cheaper than Gemini 2.5 Pro Preview 06-05 ($1.25/1M tokens).
For output processing, Claude Haiku 4.5 ($5.00/1M tokens) is 2.0x cheaper than Gemini 2.5 Pro Preview 06-05 ($10.00/1M tokens).
In conclusion, Gemini 2.5 Pro Preview 06-05 is more expensive than Claude Haiku 4.5.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Gemini 2.5 Pro Preview 06-05 accepts 1,048,576 input tokens compared to Claude Haiku 4.5's 200,000 tokens. Gemini 2.5 Pro Preview 06-05 can generate longer responses up to 65,535 tokens, while Claude Haiku 4.5 is limited to 64,000 tokens.
Input Capabilities
Supported data types and modalities
Both Claude Haiku 4.5 and Gemini 2.5 Pro Preview 06-05 support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Claude Haiku 4.5
Gemini 2.5 Pro Preview 06-05
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 Haiku 4.5 was released on 2025-10-15, while Gemini 2.5 Pro Preview 06-05 was released on 2025-06-05.
Claude Haiku 4.5 is 4 months newer than Gemini 2.5 Pro Preview 06-05.
Oct 15, 2025
9 months ago
4mo newerJun 5, 2025
1.1 years ago
Knowledge Cutoff
When training data ends
Claude Haiku 4.5 has a knowledge cutoff of 2025-02-01, while Gemini 2.5 Pro Preview 06-05 has a cutoff of 2025-01-31.
Claude Haiku 4.5 has more recent training data (up to 2025-02-01), making it potentially better informed about events through that date compared to Gemini 2.5 Pro Preview 06-05 (2025-01-31).
Feb 2025
1 mo newerJan 2025
Provider Availability
Claude Haiku 4.5 is available from Anthropic, Vertex AI. Gemini 2.5 Pro Preview 06-05 is available from Google.
Claude Haiku 4.5
Gemini 2.5 Pro Preview 06-05
Outputs Comparison
Key Takeaways
Claude Haiku 4.5
View detailsAnthropic
Detailed Comparison
Interactive Arena
Judge for yourself.
Run your own prompts against Claude Haiku 4.5 and Gemini 2.5 Pro Preview 06-05 side-by-side, then vote on the output you prefer.
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FAQ
Common questions about Claude Haiku 4.5 vs Gemini 2.5 Pro Preview 06-05.