Model Comparison
Claude Haiku 4.5 vs Gemini 3.5 Flash-LiteWhich is better in 2026?
Gemini 3.5 Flash-Lite significantly outperforms across most benchmarks. Gemini 3.5 Flash-Lite is 2.4x cheaper per token.
Verdict: Claude Haiku 4.5 vs Gemini 3.5 Flash-Lite — which is better?
Claude Haiku 4.5 (by Anthropic) and Gemini 3.5 Flash-Lite (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 0 benchmarks, while Gemini 3.5 Flash-Lite is better at 1 benchmark (GDPval-AA). Gemini 3.5 Flash-Lite significantly outperforms across most benchmarks.
On price, Gemini 3.5 Flash-Lite is roughly 2.4x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Gemini 3.5 Flash-Lite 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…
- you want predictable pricing at $1.00/M input and $5.00/M output
Choose Gemini 3.5 Flash-Lite if…
- you want the strongest raw capability — it leads on 1 of 1 shared benchmarks
- cost matters — it's about 2.4x cheaper per token
- you process long inputs — it offers a 1,048,576 token context window
- you want the most recent training data — it shipped Jul 2026
Performance Benchmarks
Comparative analysis across standard metrics
Claude Haiku 4.5 outperforms in 0 benchmarks, while Gemini 3.5 Flash-Lite is better at 1 benchmark (GDPval-AA).
Gemini 3.5 Flash-Lite significantly outperforms across most 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 3.3x more expensive than Gemini 3.5 Flash-Lite ($0.30/1M tokens).
For output processing, Claude Haiku 4.5 ($5.00/1M tokens) is 2.0x more expensive than Gemini 3.5 Flash-Lite ($2.50/1M tokens).
In conclusion, Claude Haiku 4.5 is more expensive than Gemini 3.5 Flash-Lite.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Gemini 3.5 Flash-Lite accepts 1,048,576 input tokens compared to Claude Haiku 4.5's 200,000 tokens. Gemini 3.5 Flash-Lite can generate longer responses up to 65,536 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 3.5 Flash-Lite support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Claude Haiku 4.5
Gemini 3.5 Flash-Lite
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 3.5 Flash-Lite was released on 2026-07-21.
Gemini 3.5 Flash-Lite is 9 months newer than Claude Haiku 4.5.
Oct 15, 2025
9 months ago
Jul 21, 2026
4 days ago
9mo newerKnowledge Cutoff
When training data ends
Claude Haiku 4.5 has a knowledge cutoff of 2025-02-01, while Gemini 3.5 Flash-Lite has a cutoff of 2026-03-31.
Gemini 3.5 Flash-Lite has more recent training data (up to 2026-03-31), making it potentially better informed about events through that date compared to Claude Haiku 4.5 (2025-02-01).
Feb 2025
Mar 2026
1.1 yr newerProvider Availability
Claude Haiku 4.5 is available from Anthropic, Vertex AI. Gemini 3.5 Flash-Lite is available from Google.
Claude Haiku 4.5
Gemini 3.5 Flash-Lite
Outputs Comparison
Key Takeaways
Claude Haiku 4.5
View detailsAnthropic
No standout differentiators in the data we have for this pair.
Detailed Comparison
Interactive Arena
Judge for yourself.
Run your own prompts against Claude Haiku 4.5 and Gemini 3.5 Flash-Lite side-by-side, then vote on the output you prefer.
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FAQ
Common questions about Claude Haiku 4.5 vs Gemini 3.5 Flash-Lite.