Model Comparison

GPT-5.2 vs Claude 3 Haiku

GPT-5.2 significantly outperforms across most benchmarks. Claude 3 Haiku is 9.6x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

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

GPT-5.2 significantly outperforms across most benchmarks.

Fri Apr 17 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Claude 3 Haiku costs less

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

For output processing, GPT-5.2 ($14.00/1M tokens) is 11.2x more expensive than Claude 3 Haiku ($1.25/1M 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
Fri Apr 17 2026 • llm-stats.com
OpenAI
GPT-5.2
Input tokens$1.75
Output tokens$14.00
Best providerOpenAI
Anthropic
Claude 3 Haiku
Input tokens$0.25
Output tokens$1.25
Best providerAnthropic
Notice missing or incorrect data?Start an Issue→

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.

OpenAI
GPT-5.2
Input400,000 tokens
Output128,000 tokens
Anthropic
Claude 3 Haiku
Input200,000 tokens
Output200,000 tokens
Fri Apr 17 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

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

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

GPT-5.2

Text
Images
Audio
Video

Claude 3 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.

GPT-5.2

Proprietary

Closed source

Claude 3 Haiku

Proprietary

Closed source

Release Timeline

When each model was launched

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

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

GPT-5.2

Dec 11, 2025

4 months ago

1.7yr newer
Claude 3 Haiku

Mar 13, 2024

2.1 years ago

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.

GPT-5.2

Aug 2025

Claude 3 Haiku

—

Provider Availability

GPT-5.2 is available from OpenAI. Claude 3 Haiku is available from Anthropic, Bedrock, Google.

GPT-5.2

openai logo
OpenAI
Input Price:Input: $1.75/1MOutput Price:Output: $14.00/1M

Claude 3 Haiku

anthropic logo
Anthropic
Input Price:Input: $0.25/1MOutput Price:Output: $1.25/1M
bedrock logo
AWS Bedrock
Input Price:Input: $0.25/1MOutput Price:Output: $1.25/1M
google logo
Google
Input Price:Input: $0.25/1MOutput Price:Output: $1.25/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

OpenAI
Larger context window (400,000 tokens)
Higher GPQA score (92.4% vs 33.3%)
Anthropic
Less expensive input tokens
Less expensive output tokens

Detailed Comparison

AI Model Comparison Table
Feature
OpenAI
GPT-5.2
Anthropic
Claude 3 Haiku

FAQ

Common questions about GPT-5.2 vs Claude 3 Haiku

GPT-5.2 significantly outperforms across most benchmarks. GPT-5.2 is made by OpenAI and Claude 3 Haiku is made by Anthropic. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
GPT-5.2 scores AIME 2025: 100.0%, HMMT 2025: 99.4%, Tau2 Telecom: 98.7%, Graphwalks BFS <128k: 94.0%, GPQA: 92.4%. Claude 3 Haiku scores ARC-C: 89.2%, GSM8k: 88.9%, HellaSwag: 85.9%, DROP: 78.4%, HumanEval: 75.9%.
Claude 3 Haiku is 7.0x cheaper for input tokens. GPT-5.2 costs $1.75/M input and $14.00/M output via openai. Claude 3 Haiku costs $0.25/M input and $1.25/M output via anthropic.
GPT-5.2 supports 400K tokens and Claude 3 Haiku supports 200K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.
Key differences include context window (400K vs 200K), input pricing ($1.75 vs $0.25/M). See the full comparison above for benchmark-by-benchmark results.
GPT-5.2 is developed by OpenAI and Claude 3 Haiku is developed by Anthropic.