Which AI model scores highest on OpenAI MRCR (2 needles)?

GPT-5 by OpenAI holds the best OpenAI MRCR (2 needles) (256K) result among tracked models, at 86.8% (released Aug 7 2025). Higher scores are better on this benchmark.

What are the top 3 models on OpenAI MRCR (2 needles)?

1. GPT-5 (OpenAI) — 86.8%; 2. GPT-5 mini (OpenAI) — 58.8%; 3. GPT-5 nano (OpenAI) — 34.9%.

How many models have a published OpenAI MRCR (2 needles) score?

3 tracked models have a published OpenAI MRCR (2 needles) (256K) score. Scores are collected from published lab reports and benchmark sources, with recorded sources credited alongside the results. We do not re-run the evaluations.

All benchmarks

Coding

ProgramBench SWE-Bench Pro SWE-Bench Verified SWE-Bench Multilingual SWE-Bench Multimodal CursorBench 4.0 DeepSWE 1.1 DeepSWE 1.0 SWE-sweep FrontierSWE V2 SWE-Marathon v1.1 FrontierCode v1.1 (Main)main split FrontierCode v1.1 (Extended)extended split FrontierCode 2.0 APEX-SWE MLE-Bench PaperBench Next.js Evals Supabase Evalswith skills Supabase Evalsno skills NL2Repo-Bench SWEAtlas CodeBase QnA QwenSWEBench QwenSWEBench V2 AA Coding Agent Index Database Migration Tasks (OpenAI Internal)CADGenBench BenchCAD BenchCADwithout tools BenchCADwith tools LiveCodeBench Pro LiveCodeBench Aider Polyglot (diff)HumanEval Expert-SWE (Internal)

Terminal & CLI

Frontier-Bench v0.1 Terminal-Bench 4.0 Terminal-Bench 3.0 Terminal-Bench 2.1 Terminal-Bench 2.0 Terminal-Bench-Science 0.1

Agentic & tool use

APEX-Agents MCP Atlas MCP Atlasoriginal harness JobBench CoWorkBench Toolathlon-Verified IFEval Advanced Cybersecurity Completion Rate (Internal)τ²-benchretail τ²-benchairline τ²-benchtelecom τ²-benchtelecom, adjusted prompt Toolathlon BU Bench BrowseComp DeepSearchQA CyberGym CVE-Bench CyScenarioBench CVE Rediscovery RoboDojo Sim WANDR (relaxed score)CathedralBench ExploitBench ExploitGym6-hour budget ExploitGym2-hour budget Agents’ Last Exam v1.1 CWE-bench v1 ExploitGym (causal pass rate)10-hour budget ExploitGym (causal pass rate)6-hour budget ExploitGym (remote target)ExploitGym Hardened RemoteExploitBench ExploitGym Honeypotwithout deployment prompt ExploitGym Honeypotwith deployment prompt SEC-bench Pro (JavaScript)OSWorld 2.0 OSWorld 2.1full set OSWorld 2.1offline OSWorld-Verified Agent's Last Exampass@1 Agent's Last Examscore SRE-Bench AutomationBench AutomationBench (Artificial Analysis)

Reasoning & science

De novo binder design (24 hr)RiemannBench Humanity's Last Examno tools Humanity's Last Examtext only, no tools Humanity's Last Examwith tools Humanity's Last Exam (Verified)ARC-AGI-3 ARC-AGI-2 FrontierMathTier 1–3 FrontierMathTier 4 FrontierMathTier 4 (v2)BioMysteryBenchhard BioMysteryBenchhuman solved LatchBio Capabilities v1.0 GeneBench-Pro MedChemBench (Internal)LAB-Bench 2 EEBench MATH MATH-500 DROP ARC-Challenge HellaSwag WinoGrande ARC-AGI-1 GeneBench LifeSciBench AIME 2024 AIME 2026 AIME 2025 FrontierMathTiers 1–3 (v2)GPQA Diamond IFBench Agentic IF Index (Internal)MMLU Okapi Multilingual MMLU MGSM GSM8K HLE-Diamond (no tools)

Knowledge work

SimpleQA Verified SimpleQA MMMLU MMLU-Pro AA Intelligence Index v5.0 Vals Index v2.2 Vending-Bench 2 (USD)AA Intelligence Index GDPval-AA GDPval-AA v2.1 GDPval-AA v2 Design Tasks (OpenAI Internal)Data Science Tasks (OpenAI Internal)AA-Briefcase v1.1 AA-Briefcase v1.1 (rubric)Remote Labor Index (RLI)AA-Briefcase GDPval (win/tie rate)OfficeQA Proextracted text

Finance

FinanceAgent v1.1 Finance Agent v2

Legal & tax

Harvey's Legal Agent Benchmark (Held-out)Harvey's Legal Agent Benchmark TaxEval v2

Healthcare

HealthBenchfull set HealthBenchfull set, length-adjusted HealthBenchhard HealthBenchhard, length-adjusted HealthBenchconsensus HealthBenchconsensus, length-adjusted HealthBench Professional HealthBench Professionalraw HealthBench ProfessionalOpenAI grading, raw HealthBench ProfessionalOpenAI grading, length-adjusted HealthBench Professionallength-adjusted MedScribe

Multimodal

CharXiv Reasoning CharXiv Reasoningwith tools Chartographywith tools Chartographyno tools OfficeQA Pro MVBench MMVU GDP.PDF GDP.PDF (Artificial Analysis)LVBench LVBenchagentic ZeroBench (tools, pass@5)SimpleVQA (with tools)BabyVision (with tools)BabyVision OpenScore String Quartets MathVista MMMU-Prostandard and vision mean MMMU-Prowith tools MMMU-Pro MMMU Blueprint-Bench 2

Long context

GraphWalks BFS (<128K)GraphWalks parents (<128K)OpenAI MRCR (2 needles)128K OpenAI MRCR (2 needles)256K OpenAI MRCR (2 needles)1M MRCR v2 (8-needle)256K–512K MRCR v2 (8-needle)512K–1M GraphWalks BFS F1 (up to 128K)GraphWalks BFS (256K–1M)MRCR v2 (8-needle)128k average MRCR v2 (8-needle)1M pointwise MRCR256k-512k MRCR512k-1M

Robustness

CheatBench BullshitBench v2 Gray Swan IPIk = 1 Gray Swan IPIk = 10 Gray Swan IPIk = 15 Auto-review circumvention (Internal)OpenAI Factuality (Internal)

Community preference

threejseval

Long context

OpenAI MRCR (2 needles)256K

retrieval of two matching turns in the original MRCR evaluation

128K 256K 1M

Rankings

Higher is better

OpenAI MRCR (2 needles) — frequently asked questions

: retrieval of two matching turns in the original MRCR evaluation
: GPT-5 by OpenAI holds the best OpenAI MRCR (2 needles) (256K) result among tracked models, at 86.8% (released Aug 7 2025). Higher scores are better on this benchmark.
: 1. GPT-5 (OpenAI) — 86.8%; 2. GPT-5 mini (OpenAI) — 58.8%; 3. GPT-5 nano (OpenAI) — 34.9%.
: 3 tracked models have a published OpenAI MRCR (2 needles) (256K) score. Scores are collected from published lab reports and benchmark sources, with recorded sources credited alongside the results. We do not re-run the evaluations.