All models

#120 GLM-5.1

Z.ai / Zhipu AI · GLM-5.1

Released: · Source

Text; Coding; Reasoning

Use cases
Coding, Reasoning, Text
Accepts
No verified data
Produces
No verified data

Access

Z.ai · API Computing: Cloud

Price USD

ProviderPrice USDConditions
Z.ai · API$0.26 / 1M cache-read tokensPay-as-you-go · International endpoint; not a Coding Plan subscription.Source · 19.09.2026
Z.ai · API$1.4 / 1M input tokensPay-as-you-go · International endpoint; not a Coding Plan subscription.Source · 19.09.2026
Z.ai · API$4.4 / 1M output tokensPay-as-you-go · International endpoint; not a Coding Plan subscription.Source · 19.09.2026

Evaluator & score

Composite index · published model-group index · 20.09.2026 · Higher is better

Snapshot: 2026-09-20 · 90% CI [147.97, 151.41]

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

Chess Puzzles; Epoch AI own run; best score across scorers

Epoch AI own run; Chess Puzzles; version: glm-5.1; mode: default (effort unspecified by source); source id: kmHbjBrwGgEKNr65JrXcGX; 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: 10.08.2026

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; source version: glm-5.1; file: frontiermath.csv; row: 4DNcqcs4R97ZWNTMDrXSZN.

Measurement date: 11.05.2026

Independent run · default (effort unspecified by source) · 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: glm-5.1; mode: default (effort unspecified by source); source id: 8vKCYPopFbKzWZ47oLDDSo; 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: 12.05.2026

Independent run · default (effort unspecified by source) · 20.09.2026 · Higher is better

Snapshot: 2026-09-20

Conditions

FrontierMath-Tiers-1-3-v2-Private; Epoch AI own run; best score across scorers

Epoch AI own run; FrontierMath-Tiers-1-3-v2-Private; version: glm-5.1; mode: default (effort unspecified by source); source id: Mhwme9odWJMzMjoYkW8r6B; file: frontiermath_tiers_1_3_v2.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: 29.08.2026

Independent run · none · 20.09.2026 · Higher is better

Snapshot: 2026-09-20

Conditions

FrontierMath-Tiers-1-3-v2-Private; Epoch AI own run; best score across scorers

Epoch AI own run; FrontierMath-Tiers-1-3-v2-Private; version: glm-5.1_none; mode: none; source id: 4hmmfwG9tgZJvKhL78nKzL; file: frontiermath_tiers_1_3_v2.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: 28.08.2026

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; source version: glm-5.1; file: gpqa_diamond.csv; row: CBbeMKRRSeRsXnvSfn7Png.

Measurement date: 10.08.2026

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; source version: glm-5.1; file: otis_mock_aime_2024_2025.csv; row: b7Lw9ExxAhVY3hdExoh4MP.

Measurement date: 10.08.2026

Independent run · default (effort unspecified by source) · 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; source version: glm-5.1; file: swe_bench_verified.csv; row: glm-5.1-swe-bench-frankenstein.

Measurement date: 15.05.2026

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: glm-5.1; mode: default (effort unspecified by source); source id: R2fMFAtRXah864hMifdQGV; 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

SourceVerified 18.09.2026