Model Comparison

Claude Haiku 4.5 vs Gemini 3.1 Flash-Lite

Gemini 3.1 Flash-Lite significantly outperforms across most benchmarks. Gemini 3.1 Flash-Lite is 3.6x cheaper per token.

Want to compare interactively?Try the playground

Performance Benchmarks

Comparative analysis across standard metrics

2 benchmarks

Claude Haiku 4.5 outperforms in 0 benchmarks, while Gemini 3.1 Flash-Lite is better at 2 benchmarks (GPQA, MMMLU).

Gemini 3.1 Flash-Lite significantly outperforms across most benchmarks.

Tue May 12 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Gemini 3.1 Flash-Lite costs less

For input processing, Claude Haiku 4.5 ($1.00/1M tokens) is 4.0x more expensive than Gemini 3.1 Flash-Lite ($0.25/1M tokens).

For output processing, Claude Haiku 4.5 ($5.00/1M tokens) is 3.3x more expensive than Gemini 3.1 Flash-Lite ($1.50/1M tokens).

In conclusion, Claude Haiku 4.5 is more expensive than Gemini 3.1 Flash-Lite.*

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

Lowest available price from all providers

Tue May 12 2026 • llm-stats.com

Claude Haiku 4.5

Input tokens$1.00

Output tokens$5.00

Best providerAnthropic

Gemini 3.1 Flash-Lite

Input tokens$0.25

Output tokens$1.50

Best providerGoogle

Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Gemini 3.1 Flash-Lite accepts 1,000,000 input tokens compared to Claude Haiku 4.5's 200,000 tokens. Gemini 3.1 Flash-Lite can generate longer responses up to 65,536 tokens, while Claude Haiku 4.5 is limited to 64,000 tokens.

Claude Haiku 4.5

Input200,000 tokens

Output64,000 tokens

Gemini 3.1 Flash-Lite

Input1,000,000 tokens

Output65,536 tokens

Tue May 12 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Claude Haiku 4.5 and Gemini 3.1 Flash-Lite support multimodal inputs.

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

Claude Haiku 4.5

Text

Images

Audio

Video

Gemini 3.1 Flash-Lite

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 4.5

Proprietary

Closed source

Gemini 3.1 Flash-Lite

Proprietary

Closed source

Release Timeline

When each model was launched

Claude Haiku 4.5 was released on 2025-10-15, while Gemini 3.1 Flash-Lite was released on 2026-03-03.

Gemini 3.1 Flash-Lite is 5 months newer than Claude Haiku 4.5.

Claude Haiku 4.5

Oct 15, 2025

6 months ago

Gemini 3.1 Flash-Lite

Mar 3, 2026

2 months ago

4mo newer

Knowledge Cutoff

When training data ends

Claude Haiku 4.5 has a knowledge cutoff of 2025-02-01, while Gemini 3.1 Flash-Lite 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 3.1 Flash-Lite (2025-01-31).

Claude Haiku 4.5

Feb 2025

1 mo newer

Gemini 3.1 Flash-Lite

Jan 2025

Provider Availability

Claude Haiku 4.5 is available from Anthropic. Gemini 3.1 Flash-Lite is available from Google.

Claude Haiku 4.5

Anthropic

Input Price:Input: $1.00/1MOutput Price:Output: $5.00/1M

Gemini 3.1 Flash-Lite

Google

Input Price:Input: $0.25/1MOutput Price:Output: $1.50/1M

* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Claude Haiku 4.5

View details

Anthropic

No standout differentiators in the data we have for this pair.

Gemini 3.1 Flash-Lite

View details

Google

Larger context window (1,000,000 tokens)

Less expensive input tokens

Less expensive output tokens

Higher GPQA score (86.9% vs 73.0%)

Higher MMMLU score (88.9% vs 83.0%)

Detailed Comparison

AI Model Comparison Table
Feature	Claude Haiku 4.5	Gemini 3.1 Flash-Lite

FAQ

Common questions about Claude Haiku 4.5 vs Gemini 3.1 Flash-Lite.

Which is better, Claude Haiku 4.5 or Gemini 3.1 Flash-Lite?

Gemini 3.1 Flash-Lite significantly outperforms across most benchmarks. Claude Haiku 4.5 is made by Anthropic and Gemini 3.1 Flash-Lite is made by Google. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Claude Haiku 4.5 compare to Gemini 3.1 Flash-Lite in benchmarks?

Claude Haiku 4.5 scores Tau2 Retail: 83.2%, MMMLU: 83.0%, Tau2 Telecom: 83.0%, AIME 2025: 80.7%, SWE-Bench Verified: 73.3%. Gemini 3.1 Flash-Lite scores MMMLU: 88.9%, GPQA: 86.9%, VideoMMMU: 84.8%, MMMU-Pro: 76.8%, CharXiv-R: 73.2%.

Is Claude Haiku 4.5 cheaper than Gemini 3.1 Flash-Lite?

Gemini 3.1 Flash-Lite is 4.0x cheaper for input tokens. Claude Haiku 4.5 costs $1.00/M input and $5.00/M output via anthropic. Gemini 3.1 Flash-Lite costs $0.25/M input and $1.50/M output via google.

What are the context window sizes for Claude Haiku 4.5 and Gemini 3.1 Flash-Lite?

Claude Haiku 4.5 supports 200K tokens and Gemini 3.1 Flash-Lite 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 Haiku 4.5 and Gemini 3.1 Flash-Lite?

Key differences include context window (200K vs 1.0M), input pricing ($1.00 vs $0.25/M). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Haiku 4.5 and Gemini 3.1 Flash-Lite?

Claude Haiku 4.5 is developed by Anthropic and Gemini 3.1 Flash-Lite is developed by Google.