Model Comparison

Gemini 3 Flash vs Claude Haiku 4.5Which is better in 2026?

Gemini 3 Flash significantly outperforms across most benchmarks. Gemini 3 Flash is 1.8x cheaper per token.

Verdict: Gemini 3 Flash vs Claude Haiku 4.5 — which is better?

Gemini 3 Flash (by Google) and Claude Haiku 4.5 (by Anthropic) 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.

Gemini 3 Flash outperforms in 4 benchmarks (AIME 2025, GPQA, MMMLU, SWE-Bench Verified), while Claude Haiku 4.5 is better at 0 benchmarks. Gemini 3 Flash significantly outperforms across most benchmarks.

On price, Gemini 3 Flash is roughly 1.8x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Gemini 3 Flash also accepts a larger context window (1,000,000 input tokens), making it the stronger choice for long documents and large codebases.

Choose Gemini 3 Flash if…

  • you want the strongest raw capability — it leads on 4 of 4 shared benchmarks
  • cost matters — it's about 1.8x cheaper per token
  • you process long inputs — it offers a 1,000,000 token context window
  • you want the most recent training data — it shipped Dec 2025

Choose Claude Haiku 4.5 if…

  • you want predictable pricing at $1.00/M input and $5.00/M output
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Performance Benchmarks

Comparative analysis across standard metrics

4 benchmarks

Gemini 3 Flash outperforms in 4 benchmarks (AIME 2025, GPQA, MMMLU, SWE-Bench Verified), while Claude Haiku 4.5 is better at 0 benchmarks.

Gemini 3 Flash significantly outperforms across most benchmarks.

Sun Jun 07 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Gemini 3 Flash costs less

For input processing, Gemini 3 Flash ($0.50/1M tokens) is 2.0x cheaper than Claude Haiku 4.5 ($1.00/1M tokens).

For output processing, Gemini 3 Flash ($3.00/1M tokens) is 1.7x cheaper than Claude Haiku 4.5 ($5.00/1M tokens).

In conclusion, Claude Haiku 4.5 is more expensive than Gemini 3 Flash.*

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

Lowest available price from all providers
Sun Jun 07 2026 • llm-stats.com
Google
Gemini 3 Flash
Input tokens$0.50
Output tokens$3.00
Best providerGoogle
Anthropic
Claude Haiku 4.5
Input tokens$1.00
Output tokens$5.00
Best providerAnthropic
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Gemini 3 Flash accepts 1,000,000 input tokens compared to Claude Haiku 4.5's 200,000 tokens. Gemini 3 Flash can generate longer responses up to 65,536 tokens, while Claude Haiku 4.5 is limited to 64,000 tokens.

Google
Gemini 3 Flash
Input1,000,000 tokens
Output65,536 tokens
Anthropic
Claude Haiku 4.5
Input200,000 tokens
Output64,000 tokens
Sun Jun 07 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Gemini 3 Flash and Claude Haiku 4.5 support multimodal inputs.

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

Gemini 3 Flash

Text
Images
Audio
Video

Claude Haiku 4.5

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.

Gemini 3 Flash

Proprietary

Closed source

Claude Haiku 4.5

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 3 Flash was released on 2025-12-17, while Claude Haiku 4.5 was released on 2025-10-15.

Gemini 3 Flash is 2 months newer than Claude Haiku 4.5.

Gemini 3 Flash

Dec 17, 2025

5 months ago

2mo newer
Claude Haiku 4.5

Oct 15, 2025

7 months ago

Knowledge Cutoff

When training data ends

Gemini 3 Flash has a knowledge cutoff of 2025-01-31, while Claude Haiku 4.5 has a cutoff of 2025-02-01.

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 Flash (2025-01-31).

Gemini 3 Flash

Jan 2025

Claude Haiku 4.5

Feb 2025

1 mo newer

Provider Availability

Gemini 3 Flash is available from Google. Claude Haiku 4.5 is available from Anthropic, Vertex AI.

Gemini 3 Flash

google logo
Google
Input Price:Input: $0.50/1MOutput Price:Output: $3.00/1M

Claude Haiku 4.5

anthropic logo
Anthropic
Input Price:Input: $1.00/1MOutput Price:Output: $5.00/1M
vertex logo
Unknown Organization
Input Price:Input: $1.00/1MOutput Price:Output: $5.00/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Google
Larger context window (1,000,000 tokens)
Less expensive input tokens
Less expensive output tokens
Higher AIME 2025 score (99.7% vs 80.7%)
Higher GPQA score (90.4% vs 73.0%)
Higher MMMLU score (91.8% vs 83.0%)
Higher SWE-Bench Verified score (78.0% vs 73.3%)
Anthropic

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

Detailed Comparison

AI Model Comparison Table
Feature
Google
Gemini 3 Flash
Anthropic
Claude Haiku 4.5

FAQ

Common questions about Gemini 3 Flash vs Claude Haiku 4.5.

Which is better, Gemini 3 Flash or Claude Haiku 4.5?

Gemini 3 Flash significantly outperforms across most benchmarks. Gemini 3 Flash is made by Google and Claude Haiku 4.5 is made by Anthropic. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Gemini 3 Flash compare to Claude Haiku 4.5 in benchmarks?

Gemini 3 Flash scores Vending-Bench 2: 100.0%, AIME 2025: 99.7%, Global PIQA: 92.8%, MMMLU: 91.8%, GPQA: 90.4%. 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%.

Is Gemini 3 Flash cheaper than Claude Haiku 4.5?

Gemini 3 Flash is 2.0x cheaper for input tokens. Gemini 3 Flash costs $0.50/M input and $3.00/M output via google. Claude Haiku 4.5 costs $1.00/M input and $5.00/M output via anthropic.

What are the context window sizes for Gemini 3 Flash and Claude Haiku 4.5?

Gemini 3 Flash supports 1.0M tokens and Claude Haiku 4.5 supports 200K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Gemini 3 Flash and Claude Haiku 4.5?

Key differences include context window (1.0M vs 200K), input pricing ($0.50 vs $1.00/M). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemini 3 Flash and Claude Haiku 4.5?

Gemini 3 Flash is developed by Google and Claude Haiku 4.5 is developed by Anthropic.

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