Model Comparison

Gemini 1.5 Flash vs Claude 3.5 HaikuWhich is better in 2026?

Gemini 1.5 Flash has a slight edge in benchmark performance. Gemini 1.5 Flash is 6.1x cheaper per token.

Verdict: Gemini 1.5 Flash vs Claude 3.5 Haiku — which is better?

Gemini 1.5 Flash (by Google) and Claude 3.5 Haiku (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 1.5 Flash outperforms in 3 benchmarks (GPQA, MATH, MMLU-Pro), while Claude 3.5 Haiku is better at 2 benchmarks (HumanEval, MGSM). Gemini 1.5 Flash has a slight edge in benchmark performance.

On price, Gemini 1.5 Flash is roughly 6.1x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Gemini 1.5 Flash also accepts a larger context window (1,048,576 input tokens), making it the stronger choice for long documents and large codebases.

Choose Gemini 1.5 Flash if…

  • you want the strongest raw capability — it leads on 3 of 5 shared benchmarks
  • cost matters — it's about 6.1x cheaper per token
  • you process long inputs — it offers a 1,048,576 token context window

Choose Claude 3.5 Haiku if…

  • you want the most recent training data — it shipped Oct 2024
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Performance Benchmarks

Comparative analysis across standard metrics

5 benchmarks

Gemini 1.5 Flash outperforms in 3 benchmarks (GPQA, MATH, MMLU-Pro), while Claude 3.5 Haiku is better at 2 benchmarks (HumanEval, MGSM).

Gemini 1.5 Flash has a slight edge in benchmark performance.

Sun Jun 07 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Gemini 1.5 Flash costs less

For input processing, Gemini 1.5 Flash ($0.15/1M tokens) is 5.3x cheaper than Claude 3.5 Haiku ($0.80/1M tokens).

For output processing, Gemini 1.5 Flash ($0.60/1M tokens) is 6.7x cheaper than Claude 3.5 Haiku ($4.00/1M tokens).

In conclusion, Claude 3.5 Haiku is more expensive than Gemini 1.5 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 1.5 Flash
Input tokens$0.15
Output tokens$0.60
Best providerGoogle
Anthropic
Claude 3.5 Haiku
Input tokens$0.80
Output tokens$4.00
Best providerAWS Bedrock
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Context Window

Maximum input and output token capacity

Gemini 1.5 Flash 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 1.5 Flash is limited to 8,192 tokens.

Google
Gemini 1.5 Flash
Input1,048,576 tokens
Output8,192 tokens
Anthropic
Claude 3.5 Haiku
Input200,000 tokens
Output200,000 tokens
Sun Jun 07 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Gemini 1.5 Flash supports multimodal inputs, whereas Claude 3.5 Haiku does not.

Gemini 1.5 Flash can handle both text and other forms of data like images, making it suitable for multimodal applications.

Gemini 1.5 Flash

Text
Images
Audio
Video

Claude 3.5 Haiku

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 1.5 Flash

Proprietary

Closed source

Claude 3.5 Haiku

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 1.5 Flash was released on 2024-05-01, while Claude 3.5 Haiku was released on 2024-10-22.

Claude 3.5 Haiku is 6 months newer than Gemini 1.5 Flash.

Gemini 1.5 Flash

May 1, 2024

2.1 years ago

Claude 3.5 Haiku

Oct 22, 2024

1.6 years ago

5mo newer

Knowledge Cutoff

When training data ends

Gemini 1.5 Flash has a documented knowledge cutoff of 2023-11-01, while Claude 3.5 Haiku's cutoff date is not specified.

We can confirm Gemini 1.5 Flash's training data extends to 2023-11-01, but cannot make a direct comparison without Claude 3.5 Haiku's cutoff date.

Gemini 1.5 Flash

Nov 2023

Claude 3.5 Haiku

—

Provider Availability

Gemini 1.5 Flash is available from Google. Claude 3.5 Haiku is available from Bedrock, Google, Anthropic.

Gemini 1.5 Flash

google logo
Google
Input Price:Input: $0.15/1MOutput Price:Output: $0.60/1M

Claude 3.5 Haiku

bedrock logo
AWS Bedrock
Input Price:Input: $0.80/1MOutput Price:Output: $4.00/1M
google logo
Google
Input Price:Input: $0.80/1MOutput Price:Output: $4.00/1M
anthropic logo
Anthropic
Input Price:Input: $1.00/1MOutput Price:Output: $5.00/1M
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

Google
Larger context window (1,048,576 tokens)
Supports multimodal inputs
Less expensive input tokens
Less expensive output tokens
Higher GPQA score (51.0% vs 41.6%)
Higher MATH score (77.9% vs 69.4%)
Higher MMLU-Pro score (67.3% vs 65.0%)
Anthropic
Higher HumanEval score (88.1% vs 74.3%)
Higher MGSM score (85.6% vs 82.6%)
GoogleGemini 1.5 Flash
AnthropicClaude 3.5 Haiku
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Detailed Comparison

AI Model Comparison Table
Feature
Google
Gemini 1.5 Flash
Anthropic
Claude 3.5 Haiku

FAQ

Common questions about Gemini 1.5 Flash vs Claude 3.5 Haiku.

Which is better, Gemini 1.5 Flash or Claude 3.5 Haiku?

Gemini 1.5 Flash has a slight edge in benchmark performance. Gemini 1.5 Flash is made by Google and Claude 3.5 Haiku is made by Anthropic. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Gemini 1.5 Flash compare to Claude 3.5 Haiku in benchmarks?

Gemini 1.5 Flash scores XSTest: 97.0%, HellaSwag: 86.5%, GSM8k: 86.2%, BIG-Bench Hard: 85.5%, MGSM: 82.6%. Claude 3.5 Haiku scores HumanEval: 88.1%, MGSM: 85.6%, DROP: 83.1%, MATH: 69.4%, MMLU-Pro: 65.0%.

Is Gemini 1.5 Flash cheaper than Claude 3.5 Haiku?

Gemini 1.5 Flash is 5.3x cheaper for input tokens. Gemini 1.5 Flash costs $0.15/M input and $0.60/M output via google. Claude 3.5 Haiku costs $0.80/M input and $4.00/M output via bedrock.

What are the context window sizes for Gemini 1.5 Flash and Claude 3.5 Haiku?

Gemini 1.5 Flash supports 1.0M tokens and Claude 3.5 Haiku 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 1.5 Flash and Claude 3.5 Haiku?

Key differences include context window (1.0M vs 200K), input pricing ($0.15 vs $0.80/M), multimodal support (yes vs no). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemini 1.5 Flash and Claude 3.5 Haiku?

Gemini 1.5 Flash is developed by Google and Claude 3.5 Haiku is developed by Anthropic.

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