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Models / OpenAI

GPT-5.1

GPT-5 · Released 2025-11-13

OpenAI's November 2025 GPT-5.1 family. $1.25/$10 per 1M tokens, 400K context. Retired from ChatGPT March 2026; API snapshots may still exist. MedScribe leader on Vals (88.1%).

Legacy GPT-5.1 endpoints only — migrate to GPT-5.4/5.5 for new work.

#71 of 168 on AA Index · current snapshot
38 AA Index · 13 benchmark rows · 1 sourcesPosition is benchmark-specific — not a cross-family or cross-source ranking.
Composite61
Context400K
Input / 1M$1.3
Output / 1M$10
Knowledge cutoff2024-09-30
Statuslightweight
ChatGPT

Family profile

Best published score in each covered benchmark family.

81/100 avg
Knowledge
87
Reasoning
87
Math
94
Coding
87
Agentic
52
Long context
77

6 tested benchmark families

Benchmark placements

Where GPT-5.1 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#7/ 3187Artificial Analysis2026-09-01
AIMEMath#11/ 3794Artificial Analysis2026-09-01
MMLU-ProKnowledge#13/ 3987Artificial Analysis2026-09-01
AA-LCRLong context#33/ 17977Artificial Analysis2026-09-01
IFBenchReasoning#39/ 12773Artificial Analysis2026-09-01
τ³-Bench BankingAgentic#68/ 10616Artificial Analysis2026-09-01
GPQA DiamondReasoning#70/ 18587Artificial Analysis2026-09-01
Humanity's Last ExamReasoning#83/ 18029Artificial Analysis2026-09-01
Terminal-BenchAgentic#84/ 18452Artificial Analysis2026-09-01
Artificial Analysis Intelligence IndexReasoning#91/ 18738Artificial Analysis2026-09-01
SciCodeCoding#94/ 18043Artificial Analysis2026-09-01
AA time to first tokenPerformance#129/ 186Artificial Analysis2026-09-01
AA output speedPerformance#130/ 187Artificial Analysis2026-09-01
Family context

The three highest-scoring models with pages in each capability family. Where GPT-5.1 shows up, it's highlighted.

KnowledgeGPT-5.1 · 87
  1. 1
    GPT 5.5
    91
  2. 2
    Claude Opus 4.8
    91
  3. 3
    Claude Sonnet 4.6
    91
ReasoningGPT-5.1 · 87
  1. 1
    Claude Mythos Preview
    95
  2. 2
    Gemini 3.7 Flash
    95
  3. 3
    Grok 4.6
    95
MathGPT-5.1 · 94
  1. 1
    OpenAI o3
    99
  2. 2
    GPT-5 (medium)
    99
  3. 3
    GPT-5 (high)
    99
CodingGPT-5.1 · 87
  1. 1
    GPT 5.5
    96
  2. 2
    Claude Opus 4.8
    96
  3. 3
    Claude Opus 4.6
    96
AgenticGPT-5.1 · 52
  1. 1
    GPT 5.5
    100
  2. 2
    Claude Opus 4.8
    100
  3. 3
    Claude Fable 5
    100
Long contextGPT-5.1 · 77
  1. 1
    Muse Spark 1.2
    83
  2. 2
    Kimi K3
    83
  3. 3
    Gemini 3.5 Flash
    81
Newest receipts

Benchmark rows added to the public ledger for GPT-5.1 in the last 120 days. Older rows live in the full table below.

13 recent
BenchmarkFamilyScoreSourceDays ago
AA-LCRLong context76.67%Artificial Analysis5
AA output speedPerformance0 t/sArtificial Analysis5
AA time to first tokenPerformance0.00sArtificial Analysis5
AIMEMath94%Artificial Analysis5
Artificial Analysis Intelligence IndexReasoning37.5%Artificial Analysis5
GPQA DiamondReasoning87.3%Artificial Analysis5
Humanity's Last ExamReasoning28.5%Artificial Analysis5
IFBenchReasoning72.86%Artificial Analysis5
LiveCodeBenchCoding86.8%Artificial Analysis5
MMLU-ProKnowledge87%Artificial Analysis5
SciCodeCoding43.3%Artificial Analysis5
τ³-Bench BankingAgentic15.88%Artificial Analysis5
Terminal-BenchAgentic52.43%Artificial Analysis5
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
Reasoning87
Math94
Coding87
Agentic52
Long context77
Price vs. performance
0255075100$0.10$0.30$1$3$10$30input USD / 1M tokens · log scale →← intelligence

Hover any dot for name, score, and input price. Keyboard: tab through the top twelve, or use the ranking below.

AnthropicOpenAIMistralAlibabaDeepSeekGoogleMoonshotMetaMiniMaxxAIZhipuXiaomiOtherMeituanCohereNVIDIA

Full benchmark ledger

Every catalog benchmark for GPT-5.1. Scores link to the original source; gaps mean no public row exists yet.

13 sourced rows

13 of 37 catalog benchmarks have a sourced row for GPT-5.1.

Knowledge

Reasoning

Math

Coding

Agentic

Long context

Performance

Sources