Claude 3 Haiku vs GPT-5.2 Comparison

Comparing Claude 3 Haiku and GPT-5.2 across benchmarks, pricing, and capabilities.

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Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

Claude 3 Haiku outperforms in 0 benchmarks, while GPT-5.2 is better at 1 benchmark (GPQA).

GPT-5.2 significantly outperforms across most benchmarks.

Sun Mar 15 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Claude 3 Haiku costs less

For input processing, Claude 3 Haiku ($0.25/1M tokens) is 7.0x cheaper than GPT-5.2 ($1.75/1M tokens).

For output processing, Claude 3 Haiku ($1.25/1M tokens) is 11.2x cheaper than GPT-5.2 ($14.00/1M tokens).

In conclusion, GPT-5.2 is more expensive than Claude 3 Haiku.*

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

Lowest available price from all providers

Sun Mar 15 2026 • llm-stats.com

Claude 3 Haiku

Input tokens$0.25

Output tokens$1.25

Best providerAnthropic

GPT-5.2

Input tokens$1.75

Output tokens$14.00

Best providerOpenAI

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Context Window

Maximum input and output token capacity

GPT-5.2 accepts 400,000 input tokens compared to Claude 3 Haiku's 200,000 tokens. Claude 3 Haiku can generate longer responses up to 200,000 tokens, while GPT-5.2 is limited to 128,000 tokens.

Claude 3 Haiku

Input200,000 tokens

Output200,000 tokens

GPT-5.2

Input400,000 tokens

Output128,000 tokens

Sun Mar 15 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Claude 3 Haiku and GPT-5.2 support multimodal inputs.

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

Claude 3 Haiku

Text

Images

Audio

Video

GPT-5.2

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 3 Haiku

Proprietary

Closed source

GPT-5.2

Proprietary

Closed source

Release Timeline

When each model was launched

Claude 3 Haiku was released on 2024-03-13, while GPT-5.2 was released on 2025-12-11.

GPT-5.2 is 21 months newer than Claude 3 Haiku.

Claude 3 Haiku

Mar 13, 2024

2.0 years ago

GPT-5.2

Dec 11, 2025

3 months ago

1.7yr newer

Knowledge Cutoff

When training data ends

GPT-5.2 has a documented knowledge cutoff of 2025-08-25, while Claude 3 Haiku's cutoff date is not specified.

We can confirm GPT-5.2's training data extends to 2025-08-25, but cannot make a direct comparison without Claude 3 Haiku's cutoff date.

Claude 3 Haiku

—

GPT-5.2

Aug 2025

Provider Availability

Claude 3 Haiku is available from Anthropic, Bedrock, Google. GPT-5.2 is available from OpenAI. The availability of providers can affect quality of the model and reliability.