Gemini 2.5 Pro vs GPT-5.2 Comparison

Comparing Gemini 2.5 Pro and GPT-5.2 across benchmarks, pricing, and capabilities.

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Performance Benchmarks

Comparative analysis across standard metrics

5 benchmarks

Gemini 2.5 Pro outperforms in 0 benchmarks, while GPT-5.2 is better at 5 benchmarks (AIME 2025, ARC-AGI v2, GPQA, Humanity's Last Exam, SWE-Bench Verified).

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

Gemini 2.5 Pro costs less

For input processing, Gemini 2.5 Pro ($1.25/1M tokens) is 1.4x cheaper than GPT-5.2 ($1.75/1M tokens).

For output processing, Gemini 2.5 Pro ($10.00/1M tokens) is 1.4x cheaper than GPT-5.2 ($14.00/1M tokens).

In conclusion, GPT-5.2 is more expensive than Gemini 2.5 Pro.*

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

Lowest available price from all providers

Sun Mar 15 2026 • llm-stats.com

Gemini 2.5 Pro

Input tokens$1.25

Output tokens$10.00

Best providerGoogle

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

Gemini 2.5 Pro accepts 1,048,576 input tokens compared to GPT-5.2's 400,000 tokens. GPT-5.2 can generate longer responses up to 128,000 tokens, while Gemini 2.5 Pro is limited to 65,536 tokens.

Gemini 2.5 Pro

Input1,048,576 tokens

Output65,536 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 Gemini 2.5 Pro and GPT-5.2 support multimodal inputs.

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

Gemini 2.5 Pro

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.

Gemini 2.5 Pro

Proprietary

Closed source

GPT-5.2

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 2.5 Pro was released on 2025-05-20, while GPT-5.2 was released on 2025-12-11.

GPT-5.2 is 7 months newer than Gemini 2.5 Pro.

Gemini 2.5 Pro

May 20, 2025

9 months ago

GPT-5.2

Dec 11, 2025

3 months ago

6mo newer

Knowledge Cutoff

When training data ends

Gemini 2.5 Pro has a knowledge cutoff of 2025-01-31, while GPT-5.2 has a cutoff of 2025-08-25.

GPT-5.2 has more recent training data (up to 2025-08-25), making it potentially better informed about events through that date compared to Gemini 2.5 Pro (2025-01-31).

Gemini 2.5 Pro

Jan 2025

GPT-5.2

Aug 2025

7 mo newer

Provider Availability

Gemini 2.5 Pro is available from Google. GPT-5.2 is available from OpenAI. The availability of providers can affect quality of the model and reliability.