GLM-5.1-FP8: benchmark scores, price and ranking

GLM-5.1-FP8 from zai-org ranks #141 of 743 LLMs on the LLMs Tiger aggregate benchmark score (51.2), based on 1 benchmark results captured up to 2026-10-13.

Organisation: zai-org
Type: Open-weight / local model
Open weights: Yes
Aggregate rank: #141 of 743 (score 51.2)

Across the 1 benchmark where at least ten models are scored, GLM-5.1-FP8 is in the top 10% on 0 and in the top half on 1.

GLM-5.1-FP8 benchmark results

GLM-5.1-FP8 benchmark scores, ranked against all models measured on each benchmark
Benchmark	Score	Rank	Source	Captured
GPQA Diamond	83.3%	#92 of 275	HuggingFace GPQA Diamond leaderboard	2026-10-13

About GLM-5.1-FP8

GLM-5.1-FP8 is an open-weight model that can run on your own hardware from zai-org. No API price is listed for it yet. We hold 1 benchmark result for it across 1 area, and none is in the top tenth of its board.

Where GLM-5.1-FP8 stands

On our aggregate score, GLM-5.1-FP8 is #141 of 743 ranked models, in the top quarter. Its score is 51.2; the scale is centred on 50, so it sits 1.2 points above the typical model. That beats 81% of the ranked field. Among the 6 ranked zai-org models it is #3. The next one up is GLM-5-FP8 at 51.4. The next one down is GLM-4.6-FP8 at 51.0.

GLM-5.1-FP8, benchmark by benchmark

GPQA Diamond puts GLM-5.1-FP8 at 83.3%, #92 of 275. That beats 67% of the models tested, but 12.4 points short of GPT-6 Astra (max) (95.8%). The results either side are qwen3.5-35b-a3b (83.5%) and MiMo-V2-Flash (83.3%). It covers expert-level science questions. The board median is 71.7%, so GLM-5.1-FP8 is 11.6 points above it. Source: HuggingFace GPQA Diamond leaderboard, captured 2026-10-13.

Reading these numbers

The 1 score on this page comes from 1 source: HuggingFace GPQA Diamond leaderboard (1). No official leaderboard supplied any of them, so treat them as third-party measurements. With 1 results the aggregate rank can move a lot when one new score arrives.

Models ranked nearby

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#143 Claude 4.5 Sonnet (51.2)
#144 GPT-5 (high) (51.1)