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GPT-5.2 vs GPT-5.2 Pro

GPT-5.2 and GPT-5.2 Pro are closely matched at 41.4 and 42.9 on the LLM Stats Score. GPT-5.2 is 12.0x cheaper per token.

OpenAI · OpenAI · Updated for 2026

Which is better?

GPT-5.2 and GPT-5.2 Pro are closely matched on the overall LLM Stats Score at 41.4 and 42.9.

In the 7 individual benchmarks reported for both models, GPT-5.2 Pro wins 7; this is a narrower head-to-head signal than the composite indexes.

On price, GPT-5.2 is roughly 12.0x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose GPT-5.2

  • cost matters — it's about 12.0x cheaper per token

Choose GPT-5.2 Pro

  • you value its reported benchmark strengths — it wins 7 of 7 exact shared results

At a glance

The differences that matter most.

Core performance indexes
41.4
#54
42.9
#47
40.7
#52
41.5
#50
14.8
#90
17.8
#74
Cost, coverage & limits
Benchmark wins
0 of 7
7 of 7
Input price
$1.75 / M
$21.00 / M
Output price
$14.00 / M
$168.00 / M
Context window
400,000
400,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

2 shared
Index
GPT-5.2
GPT-5.2 Pro
37.8#29
38.5#25
27.8#36
23.7#55
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

24 reported for GPT-5.2 · 7 for GPT-5.2 Pro

7 shared

GPT-5.2 outperforms in 0 benchmarks, while GPT-5.2 Pro is better at 6 benchmarks (ARC-AGI, ARC-AGI v2, BrowseComp, GPQA, HMMT 2025, Humanity's Last Exam).

GPT-5.2 Pro significantly outperforms across most benchmarks.

Tue Sep 22 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

GPT-5.2 costs less

For input processing, GPT-5.2 ($1.75/1M tokens) is 12.0x cheaper than GPT-5.2 Pro ($21.00/1M tokens).

For output processing, GPT-5.2 ($14.00/1M tokens) is 12.0x cheaper than GPT-5.2 Pro ($168.00/1M tokens).

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

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

Lowest available price from all providers
Tue Sep 22 2026 • llm-stats.com
OpenAI
GPT-5.2
Input tokens$1.75
Output tokens$14.00
Best providerOpenAI
OpenAI
GPT-5.2 Pro
Input tokens$21.00
Output tokens$168.00
Best providerOpenAI
Notice missing or incorrect data?Start an Issue

Context Window

Maximum input and output token capacity

Both models have the same input context window of 400,000 tokens. Both models can generate responses up to 128,000 tokens.

OpenAI
GPT-5.2
Input400,000 tokens
Output128,000 tokens
OpenAI
GPT-5.2 Pro
Input400,000 tokens
Output128,000 tokens
Tue Sep 22 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both GPT-5.2 and GPT-5.2 Pro support multimodal inputs.

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

GPT-5.2

Text
Images
Audio
Video

GPT-5.2 Pro

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

GPT-5.2 Pro

Proprietary

Closed source

Release Timeline

When each model was launched

Both models were released on 2025-12-11.

They likely represent similar generations of model development.

GPT-5.2

Dec 11, 2025

9 months ago

GPT-5.2 Pro

Dec 11, 2025

9 months ago

Knowledge Cutoff

When training data ends

GPT-5.2 has a documented knowledge cutoff of 2025-08-25, while GPT-5.2 Pro'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 GPT-5.2 Pro's cutoff date.

GPT-5.2

Aug 2025

GPT-5.2 Pro

Provider Availability

GPT-5.2 is available from OpenAI. GPT-5.2 Pro is available from OpenAI.

GPT-5.2

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

GPT-5.2 Pro

openai logo
OpenAI
Input Price:Input: $21.00/1MOutput Price:Output: $168.00/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Judge for yourself.

Run your own prompts against GPT-5.2 and GPT-5.2 Pro side-by-side, then vote on the output you prefer.

GPT-5.2
✓ Preferred
GPT-5.2 Pro
Open in Playground

FAQ

Common questions about GPT-5.2 vs GPT-5.2 Pro.

Which is better, GPT-5.2 or GPT-5.2 Pro?

GPT-5.2 and GPT-5.2 Pro are closely matched on the LLM Stats Score at 41.4 and 42.9. GPT-5.2 is made by OpenAI and GPT-5.2 Pro is made by OpenAI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does GPT-5.2 compare to GPT-5.2 Pro in benchmarks?

GPT-5.2 scores AIME 2025: 100.0%, HMMT 2025: 99.4%, Tau2 Telecom: 98.7%, Graphwalks BFS <128k: 94.0%, GPQA: 92.4%. GPT-5.2 Pro scores AIME 2025: 100.0%, HMMT 2025: 100.0%, GPQA: 93.2%, ARC-AGI: 90.5%, BrowseComp: 77.9%.

Is GPT-5.2 cheaper than GPT-5.2 Pro?

GPT-5.2 is 12.0x cheaper for input tokens. GPT-5.2 costs $1.75/M input and $14.00/M output via openai. GPT-5.2 Pro costs $21.00/M input and $168.00/M output via openai.

What are the context window sizes for GPT-5.2 and GPT-5.2 Pro?

GPT-5.2 supports 400K tokens and GPT-5.2 Pro supports 400K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between GPT-5.2 and GPT-5.2 Pro?

Key differences include LLM Stats Score (41.4 vs 42.9), input pricing ($1.75 vs $21.00/M). See the full comparison above for benchmark-by-benchmark results.