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Models / OpenAI

GPT-5.2

GPT-5 · Released 2025-12-11

OpenAI's December 2025 frontier. 410K context, 128K output, configurable reasoning effort. $1.75/$14 per 1M tokens.

Previous-gen GPT-5 for complex professional work. Superseded by GPT-5.4/5.5 but still available at lower cost.

#21 of 51 on AA Index · current snapshot
42 AA Index · 18 benchmark rows · 5 sourcesPosition is benchmark-specific — not a cross-family or cross-source ranking.
Composite71
Context410K
Input / 1M$1.8
Output / 1M$14
Knowledge cutoff2025-08-01
Output speed87 t/s
TTFT (default API)97.23s
Statussolid
KnowledgeReasoningMathCodingAgenticLong context
Knowledge
87
Reasoning
90
Math
89
Coding
95
Agentic
85
Long context
73

87average across 6 tested families

Benchmark placements

Where GPT-5.2 places on each public benchmark source that publishes a row. Rank counts every model with a latest row in the same test — not a universal quality score.

BenchmarkFamilyRankScoreSourceDate
LiveCodeBenchCoding#2/ 1389Artificial Analysis2026-07-21
AA time to first tokenPerformance#3/ 69Artificial Analysis2026-07-21
HumanEvalCoding#4/ 1595CodeSOTA HumanEval leaderboard2025-12-01
MMLU-ProKnowledge#4/ 2187Artificial Analysis2026-07-21
AIMEMath#6/ 1989OpenAI model release notes2025-12-01
GDPvalAgentic#6/ 672OpenAI GDPval2025-12-11
MATHMath#7/ 2087OpenAI model release notes2025-12-01
τ³-Bench BankingAgentic#9/ 6485Artificial Analysis2026-07-21
ARC-AGIReasoning#10/ 1453ARC Prize leaderboard2026-05-15
SWE-bench VerifiedCoding#11/ 2380SWE-bench official leaderboard2026-05-30
AA-LCRLong context#12/ 6473Artificial Analysis2026-07-21
IFBenchReasoning#19/ 5775Artificial Analysis2026-07-21
SciCodeCoding#21/ 6552Artificial Analysis2026-07-21
GPQA DiamondReasoning#22/ 6990Artificial Analysis2026-07-21
Humanity's Last ExamReasoning#27/ 6535Artificial Analysis2026-07-21
Artificial Analysis Intelligence IndexReasoning#29/ 6742Artificial Analysis2026-07-21
AA output speedPerformance#30/ 69Artificial Analysis2026-07-21
Terminal-BenchAgentic#46/ 6947Artificial Analysis2026-07-21
Family context

The three highest-scoring carded models in each capability family. Where GPT-5.2 shows up, it's highlighted.

KnowledgeGPT-5.2 · 87
  1. 1
    GPT 5.5
    91
  2. 2
    Claude Opus 4.8
    91
  3. 3
    Claude Sonnet 4.6
    91
ReasoningGPT-5.2 · 90
  1. 1
    Claude Mythos Preview
    95
  2. 2
    GPT-5.6 Sol
    94
  3. 3
    Kimi K3
    94
MathGPT-5.2 · 89
  1. 1
    OpenAI o3
    99
  2. 2
    OpenAI o1
    97
  3. 3
    Gemini 3 Pro
    96
CodingGPT-5.2 · 95
  1. 1
    GPT 5.5
    96
  2. 2
    Claude Opus 4.8
    96
  3. 3
    Claude Opus 4.6
    96
AgenticGPT-5.2 · 85
  1. 1
    GPT 5.5
    100
  2. 2
    Claude Opus 4.8
    100
  3. 3
    Claude Fable 5
    100
Long contextGPT-5.2 · 73
  1. 1
    Kimi K3
    75
  2. 2
    GPT-5.1
    75
  3. 3
    GPT-5.6 Sol
    74
Newest receipts

Benchmark rows added to the public ledger for GPT-5.2 in the last 120 days. Older rows live in the full table below.

14 recent
BenchmarkFamilyScoreSourceDays ago
AA-LCRLong context72.67%Artificial Analysis2
AA output speedPerformance87 t/sArtificial Analysis2
AA time to first tokenPerformance97.23sArtificial Analysis2
Artificial Analysis Intelligence IndexReasoning42.2%Artificial Analysis2
GPQA DiamondReasoning90.3%Artificial Analysis2
Humanity's Last ExamReasoning35.4%Artificial Analysis2
IFBenchReasoning75.44%Artificial Analysis2
LiveCodeBenchCoding88.9%Artificial Analysis2
MMLU-ProKnowledge87.4%Artificial Analysis2
SciCodeCoding52.1%Artificial Analysis2
τ³-Bench BankingAgentic84.8%Artificial Analysis2
Terminal-BenchAgentic46.97%Artificial Analysis2
SWE-bench VerifiedCoding80%SWE-bench official leaderboard54
ARC-AGIReasoning52.9%ARC Prize leaderboard69
Family coverage

A high composite that hides a weak family is a trap. These bars surface the families where this model hasn't been publicly tested, and where it leads.

Knowledge87
Reasoning90
Math89
Coding95
Agentic85
Long context73
Price vs. performance
0255075100$0.10$0.30$1$3$10$30input USD / 1M tokens · log scale →← intelligence

Hover or tab any dot for name, score, and input price.

AnthropicOpenAIMistralAlibabaDeepSeekGoogleMoonshotMiniMaxxAIMetaZhipuXiaomiMeituanCohere

Full benchmark ledger

Every catalog benchmark for GPT-5.2. Scores link to the original source; gaps mean no public row exists yet.

18 sourced rows

18 of 32 catalog benchmarks have a sourced row for GPT-5.2.

Knowledge

Reasoning

Math

Coding

Agentic

Long context

Performance

Changelog
  1. Released GPT-5.2 — 410K context, configurable reasoning, $1.75/$14.
Sources