#33 GPT-4.1 nano
Released: · SourceGPT-4.1 nano is a model from OpenAI. Exact version: gpt-4.1-nano. See the source for capabilities and limitations.
- Use cases
- Coding, Image understanding, Text
- Accepts
- Text & code, Images
- Produces
- Text & code
- Context
- 1047576 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 [124.26, 131.97]
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 · default (effort unspecified by source) · 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-4.1-nano-2025-04-14; mode: default (effort unspecified by source); source id: chtQvebcoaE33KkhAjbCnw; 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: 14.04.2025
Independent run · default (effort unspecified by source) · 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-4.1-nano-2025-04-14; mode: default (effort unspecified by source); source id: azWfeFPP6zSocuQX3JYBU5; 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: 14.04.2025
Independent run · default (effort unspecified by source) · 20.09.2026 · Higher is better
Snapshot: 2026-09-20
Conditions
MATH level 5; Epoch AI own run; best score across scorers
Epoch AI own run; MATH level 5; version: gpt-4.1-nano-2025-04-14; mode: default (effort unspecified by source); source id: K4TfMXsaPd4Z46zFmiV4Rf; file: math_level_5.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: 14.04.2025
Independent run · default (effort unspecified by source) · 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-4.1-nano-2025-04-14; mode: default (effort unspecified by source); source id: 3qLHwibDhgtWEbKGwxUYVa; 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: 14.04.2025
Independent run · default (effort unspecified by source) · 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-4.1-nano-2025-04-14; mode: default (effort unspecified by source); source id: A4JEeJR5LQfLR3Hb8z7kL2; 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: 31.08.2026