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GPT-5.2

Multimodal
OpenAI

GPT-5.2 demonstrates significant improvements in professional tasks, outperforming experts on GDPval with 70.9% wins or ties. Sets new records in coding (SWE-Bench Pro 55.6%), science (GPQA Diamond ~92-93%), math (AIME 2025: 100%), long-context accuracy up to 256k tokens, and reliable tool calling (Tau2 Telecom 98.7%). Available in Instant, Thinking, and Pro variants.

Key Specifications

Parameters
-
Context
256.0K
Release Date
December 10, 2025
Average Score
97.5%

Timeline

Key dates in the model's history
Announcement
December 10, 2025
Today
March 26, 2026

Technical Specifications

Parameters
-
Training Tokens
-
Knowledge Cutoff
August 1, 2025
Family
-
Capabilities
MultimodalZeroEval

Pricing & Availability

Input (per 1M tokens)
$1.50
Output (per 1M tokens)
$6.00
Max Input Tokens
256.0K
Max Output Tokens
128.0K
Supported Features
Function CallingStructured OutputCode ExecutionWeb SearchBatch InferenceFine-tuning

Benchmark Results

Model performance metrics across various tests and benchmarks

Reasoning

Logical reasoning and analysis
GPQA
GPT-5.2 Thinking - GPQA (without tools)Self-reported
92.0%

Other Tests

Specialized benchmarks
AIME 2025
GPT-5.2 Thinking - AIME 2025 (without tools)Self-reported
100.0%
TAU2 Telecom
GPT-5.2 Thinking - Tau2-benchSelf-reported
99.0%
HMMT 2025
GPT-5.2 Thinking - HMMT 2025 (without tools)Self-reported
99.0%

License & Metadata

License
proprietary
Announcement Date
December 10, 2025
Last Updated
December 10, 2025

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