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GPT-5.2 (xhigh)

ModelActive
by OpenAI · family “gpt-xhigh”
Epoch Capabilities Index
Not scored by Epoch AI
Released
11 Dec 2025
Context window
Unknown
Max output
Unknown
Input $ / 1M tokens
Unknown
Output $ / 1M tokens
Unknown
Cached input $ / 1M
Unknown
Each benchmark shown separately with its own source

Benchmark results (17)

All benchmarks
BenchmarkDomainScorevs best recordedSettingRunSource
Furniture Assemblymultimodal38.3% ±6.3
46%
xhigh10 Sep 2026Epoch ↗
LMCAagents43.9%
64%
xhigh—External ↗
DTBenchreasoning90.9%
92%
xhigh—External ↗
EBR-benchreasoning23.0%
30%
xhigh26 Jun 2026Epoch ↗
FrontierMath-Tiers-1-3-v2-Privatemath67.4% ±2.8
72%
xhigh11 Jun 2026Epoch ↗
FrontierMath-Tier-4-v2-Privatemath31.7% ±7.3
32%
xhigh11 Jun 2026Epoch ↗
ProofBenchmath15.0%
15%
xhigh—External ↗
Chess Puzzlesgames49.0% ±5.0
68%
xhigh15 Dec 2025Epoch ↗
SimpleQA Verifiedknowledge37.1% ±1.5
49%
xhigh27 Aug 2026Eval log ↗
FrontierMath-Tier-4-2025-07-01-Privatesupersededmath18.8% ±5.6
39%
xhigh14 Dec 2025Epoch ↗
ARC-AGI-2reasoning52.9%
56%
xhigh—External ↗
FrontierMath-2025-02-28-Privatesupersededmath40.7% ±2.9
78%
xhigh13 Dec 2025Epoch ↗
VPCTmultimodal84.0%
92%
xhigh—External ↗
WeirdMLcoding72.2% ±0.0
77%
xhigh—External ↗
OTIS Mock AIME 2024-2025math96.1% ±2.7
96%
xhigh13 Dec 2025Eval log ↗
GPQA diamondscience91.4% ±1.8
95%
xhigh13 Dec 2025Eval log ↗
ARC-AGIreasoning86.2%
88%
xhigh—External ↗

Source: Epoch AI Benchmarking Hub (CC BY 4.0). “External” rows are leaderboard results Epoch collects from third parties. Best reported setting per benchmark is shown.

API list price over time

Price history

$ per 1M tokens
This model has no public API price listing

0 recorded prices on — (OpenRouter listing); re-read on every data refresh, most recently 11h ago. Steps show when the price changed.

Events