AIpedia#69 GPT-5.1
Released: · SourceGPT-5.1 is a model from OpenAI. Exact version: gpt-5.1. See the source for capabilities and limitations.
- Use cases
- Coding, Image understanding, Reasoning, Text
- Accepts
- Text & code, Images
- Produces
- Text & code
- Context
- 400000 tokens
Access
Price USD
No verified data
Evaluator & score
Composite index · published model-group index · 20.09.2026 · Higher is better
Snapshot: 2026-09-20 · 90% CI [148.45, 151.03]
Official Epoch AI index; combines own, third-party and developer-reported results. It is not a safety audit or a media-generation score.
Conditions
Epoch Capabilities Index; official model-group estimates
Official ECI model scores, Epoch AI, CC BY 4.0. Composite of own, third-party and developer-reported results. 90% bootstrap interval. Not a per-effort score; export date is the model release date, not measurement date. Methodology: https://epoch.ai/eci#documentation
Independent run · high · 20.09.2026 · Higher is better
Snapshot: 2026-09-20
Conditions
Chess Puzzles; Epoch AI own run; best score across scorers
Epoch AI own run; Chess Puzzles; version: gpt-5.1-2025-11-13_high; mode: high; source id: 8aknqG8nWu3P5CoBcetqte; file: chess_puzzles.csv. CC BY 4.0, Epoch AI. Snapshot 2026-09-20. Source column Best score (across scorers), not AIpedia's selection of the best effort.
Measurement date: 08.12.2025
Independent run · low · 20.09.2026 · Higher is better
Snapshot: 2026-09-20
Conditions
Chess Puzzles; Epoch AI own run; best score across scorers
Epoch AI own run; Chess Puzzles; version: gpt-5.1-2025-11-13_low; mode: low; source id: SRH8gZhxzUjFtbe9Fo3nyg; file: chess_puzzles.csv. CC BY 4.0, Epoch AI. Snapshot 2026-09-20. Source column Best score (across scorers), not AIpedia's selection of the best effort.
Measurement date: 07.08.2026
Independent run · none · 20.09.2026 · Higher is better
Snapshot: 2026-09-20
Conditions
Chess Puzzles; Epoch AI own run; best score across scorers
Epoch AI own run; Chess Puzzles; version: gpt-5.1-2025-11-13_none; mode: none; source id: MTWXxQWmaQ5kuNPo9mhoMX; file: chess_puzzles.csv. CC BY 4.0, Epoch AI. Snapshot 2026-09-20. Source column Best score (across scorers), not AIpedia's selection of the best effort.
Measurement date: 07.08.2026
Independent run · high · 20.09.2026 · Higher is better
Snapshot: 2026-09-20
Conditions
FrontierMath; Epoch AI own run; best score across scorers
Epoch AI own run; FrontierMath-2025-02-28-Private; version: gpt-5.1-2025-11-13_high; mode: high; source id: nveMCdbvDijDTBN9JPWNve; file: frontiermath.csv. CC BY 4.0, Epoch AI. Snapshot 2026-09-20. Source column Best score (across scorers), not AIpedia's selection of the best effort.
Measurement date: 13.11.2025
Independent run · low · 20.09.2026 · Higher is better
Snapshot: 2026-09-20
Conditions
FrontierMath; Epoch AI own run; best score across scorers
Epoch AI own run; FrontierMath-2025-02-28-Private; version: gpt-5.1-2025-11-13_low; mode: low; source id: 7o6HCQaKUrxWjrf2vhH7hV; file: frontiermath.csv. CC BY 4.0, Epoch AI. Snapshot 2026-09-20. Source column Best score (across scorers), not AIpedia's selection of the best effort.
Measurement date: 25.11.2025
Independent run · medium · 20.09.2026 · Higher is better
Snapshot: 2026-09-20
Conditions
FrontierMath; Epoch AI own run; best score across scorers
Epoch AI own run; FrontierMath-2025-02-28-Private; version: gpt-5.1-2025-11-13_medium; mode: medium; source id: 7c2hHEgF9JomG9X7BLP7By; file: frontiermath.csv. CC BY 4.0, Epoch AI. Snapshot 2026-09-20. Source column Best score (across scorers), not AIpedia's selection of the best effort.
Measurement date: 17.11.2025
Independent run · none · 20.09.2026 · Higher is better
Snapshot: 2026-09-20
Conditions
FrontierMath; Epoch AI own run; best score across scorers
Epoch AI own run; FrontierMath-2025-02-28-Private; version: gpt-5.1-2025-11-13_none; mode: none; source id: XNbh4FSUJeFAe2auBg5Bdi; file: frontiermath.csv. CC BY 4.0, Epoch AI. Snapshot 2026-09-20. Source column Best score (across scorers), not AIpedia's selection of the best effort.
Measurement date: 25.11.2025
Independent run · high · 20.09.2026 · Higher is better
Snapshot: 2026-09-20
Conditions
FrontierMath-Tier-4-2025-07-01-Private; Epoch AI own run; best score across scorers
Epoch AI own run; FrontierMath-Tier-4-2025-07-01-Private; version: gpt-5.1-2025-11-13_high; mode: high; source id: ee2YzVv39Tk6tmA7DNjTG5; file: frontiermath_tier_4.csv. CC BY 4.0, Epoch AI. Snapshot 2026-09-20. Source column Best score (across scorers), not AIpedia's selection of the best effort.
Measurement date: 13.11.2025
Independent run · medium · 20.09.2026 · Higher is better
Snapshot: 2026-09-20
Conditions
FrontierMath-Tier-4-2025-07-01-Private; Epoch AI own run; best score across scorers
Epoch AI own run; FrontierMath-Tier-4-2025-07-01-Private; version: gpt-5.1-2025-11-13_medium; mode: medium; source id: S2W9ETQSRNc4xR3cmUjKbF; file: frontiermath_tier_4.csv. CC BY 4.0, Epoch AI. Snapshot 2026-09-20. Source column Best score (across scorers), not AIpedia's selection of the best effort.
Measurement date: 17.11.2025
Independent run · high · 20.09.2026 · Higher is better
Snapshot: 2026-09-20
Conditions
GPQA Diamond; Epoch AI own run; best score across scorers
Epoch AI own run; GPQA diamond; version: gpt-5.1-2025-11-13_high; mode: high; source id: CSVtMksEVjBNsGJGjW4GcQ; file: gpqa_diamond.csv. CC BY 4.0, Epoch AI. Snapshot 2026-09-20. Source column Best score (across scorers), not AIpedia's selection of the best effort.
Measurement date: 13.11.2025
Independent run · medium · 20.09.2026 · Higher is better
Snapshot: 2026-09-20
Conditions
GPQA Diamond; Epoch AI own run; best score across scorers
Epoch AI own run; GPQA diamond; version: gpt-5.1-2025-11-13_medium; mode: medium; source id: V3YQtSEnQ3TPZEPPgkCKQM; file: gpqa_diamond.csv. CC BY 4.0, Epoch AI. Snapshot 2026-09-20. Source column Best score (across scorers), not AIpedia's selection of the best effort.
Measurement date: 17.11.2025
Independent run · none · 20.09.2026 · Higher is better
Snapshot: 2026-09-20
Conditions
GPQA Diamond; Epoch AI own run; best score across scorers
Epoch AI own run; GPQA diamond; version: gpt-5.1-2025-11-13_none; mode: none; source id: UT5fVL4EGvSTZBKMTPy9YN; file: gpqa_diamond.csv. CC BY 4.0, Epoch AI. Snapshot 2026-09-20. Source column Best score (across scorers), not AIpedia's selection of the best effort.
Measurement date: 07.08.2026
Independent run · high · 20.09.2026 · Higher is better
Snapshot: 2026-09-20
Conditions
Mock AIME 2024/2025; Epoch AI own run; best score across scorers
Epoch AI own run; OTIS Mock AIME 2024-2025; version: gpt-5.1-2025-11-13_high; mode: high; source id: mYKKTdV27TRJv9FpUg7rkn; file: otis_mock_aime_2024_2025.csv. CC BY 4.0, Epoch AI. Snapshot 2026-09-20. Source column Best score (across scorers), not AIpedia's selection of the best effort.
Measurement date: 13.11.2025
Independent run · low · 20.09.2026 · Higher is better
Snapshot: 2026-09-20
Conditions
Mock AIME 2024/2025; Epoch AI own run; best score across scorers
Epoch AI own run; OTIS Mock AIME 2024-2025; version: gpt-5.1-2025-11-13_low; mode: low; source id: 6J9aPwieMfq2eSse8ZknBW; file: otis_mock_aime_2024_2025.csv. CC BY 4.0, Epoch AI. Snapshot 2026-09-20. Source column Best score (across scorers), not AIpedia's selection of the best effort.
Measurement date: 25.11.2025
Independent run · medium · 20.09.2026 · Higher is better
Snapshot: 2026-09-20
Conditions
Mock AIME 2024/2025; Epoch AI own run; best score across scorers
Epoch AI own run; OTIS Mock AIME 2024-2025; version: gpt-5.1-2025-11-13_medium; mode: medium; source id: k7inKYrGDT2LFcCiQhGfTP; file: otis_mock_aime_2024_2025.csv. CC BY 4.0, Epoch AI. Snapshot 2026-09-20. Source column Best score (across scorers), not AIpedia's selection of the best effort.
Measurement date: 17.11.2025
Independent run · none · 20.09.2026 · Higher is better
Snapshot: 2026-09-20
Conditions
Mock AIME 2024/2025; Epoch AI own run; best score across scorers
Epoch AI own run; OTIS Mock AIME 2024-2025; version: gpt-5.1-2025-11-13_none; mode: none; source id: H5NgPXUD57sbusTLp3yKQE; file: otis_mock_aime_2024_2025.csv. CC BY 4.0, Epoch AI. Snapshot 2026-09-20. Source column Best score (across scorers), not AIpedia's selection of the best effort.
Measurement date: 07.08.2026
Independent run · low · 20.09.2026 · Higher is better
Snapshot: 2026-09-20
Conditions
Mystery Game Puzzles; Epoch AI own run; best score across scorers
Epoch AI own run; Mystery Game Puzzles; version: gpt-5.1-2025-11-13_low; mode: low; source id: iV2bSueom3C2SKw72ogiYr; file: mystery_game_puzzles.csv. CC BY 4.0, Epoch AI. Snapshot 2026-09-20. Source column Best score (across scorers), not AIpedia's selection of the best effort.
Measurement date: 27.08.2026
Independent run · medium · 20.09.2026 · Higher is better
Snapshot: 2026-09-20
Conditions
Mystery Game Puzzles; Epoch AI own run; best score across scorers
Epoch AI own run; Mystery Game Puzzles; version: gpt-5.1-2025-11-13_medium; mode: medium; source id: 8dvpS2RJKYLwpVh6M7AJkA; file: mystery_game_puzzles.csv. CC BY 4.0, Epoch AI. Snapshot 2026-09-20. Source column Best score (across scorers), not AIpedia's selection of the best effort.
Measurement date: 27.08.2026
Independent run · none · 20.09.2026 · Higher is better
Snapshot: 2026-09-20
Conditions
Mystery Game Puzzles; Epoch AI own run; best score across scorers
Epoch AI own run; Mystery Game Puzzles; version: gpt-5.1-2025-11-13_none; mode: none; source id: 2a2uhidAfksbnAJC8yUrZK; file: mystery_game_puzzles.csv. CC BY 4.0, Epoch AI. Snapshot 2026-09-20. Source column Best score (across scorers), not AIpedia's selection of the best effort.
Measurement date: 27.08.2026
Independent run · high · 20.09.2026 · Higher is better
Snapshot: 2026-09-20
Conditions
SWE-bench Verified; Epoch AI own run; best score across scorers
Epoch AI own run; SWE-Bench verified; version: gpt-5.1-2025-11-13_high; mode: high; source id: YoHtZpMNdsRE6qdj2K4Ucj; file: swe_bench_verified.csv. CC BY 4.0, Epoch AI. Snapshot 2026-09-20. Source column Best score (across scorers), not AIpedia's selection of the best effort.
Measurement date: 18.02.2026
Independent run · high · 20.09.2026 · Higher is better
Snapshot: 2026-09-20
Conditions
SWE-bench Verified; Epoch AI own run; best score across scorers
Epoch AI own run; SWE-Bench verified; version: gpt-5.1-2025-11-13_high; mode: high; source id: G5hTYKeE5buuWzwRQK7EgS; file: swe_bench_verified.csv. CC BY 4.0, Epoch AI. Snapshot 2026-09-20. Source column Best score (across scorers), not AIpedia's selection of the best effort.
Measurement date: 17.02.2026
Independent run · high · 20.09.2026 · Higher is better
Snapshot: 2026-09-20
Conditions
SimpleQA Verified; Epoch AI own run; best score across scorers
Epoch AI own run; SimpleQA Verified; version: gpt-5.1-2025-11-13_high; mode: high; source id: QCLnRy69NBH9ip3VYtQneh; file: simpleqa_verified.csv. CC BY 4.0, Epoch AI. Snapshot 2026-09-20. Source column Best score (across scorers), not AIpedia's selection of the best effort.
Measurement date: 27.08.2026