vs
0:10
overall capability wins (0 ties across 10 scored). GLM-5.1 leads overall.
- Reasoning0:6
- Coding0:1
- Arena0:1
- Pricing3:0
- Specs0:2
Verdict
GLM-5.1 leads coding (widest gap: +11.1 on SciCode); GLM-5.1 ranks higher on LMArena (+99 Elo); GLM-5.1 offers larger context (203K vs 200K).
- GLM-5.1 leads coding (widest gap: +11.1 on SciCode)
- GLM-5.1 ranks higher on LMArena (+99 Elo)
- GLM-5.1 offers larger context (203K vs 200K)
- GLM-5.1 allows ~7.8x more max output (128K vs 16K)
- GLM-5.1 ships open weights (MIT)
- GLM-4.7 Flash is ~14.8x cheaper on a blended token basis than GLM-5.1
Cost for 1M in + 250K out
Illustrative chat workload at primary-provider list prices.
- GLM-4.7 Flash
- $0.16
- GLM-5.1
- $2.50
GLM-4.7 Flash is about 15.6x cheaper on this workload.
Price per 1M tokens
Full comparison
Organization
Zhipu AI
Zhipu AI
Family
GLM
GLM
License
Proprietary
MIT
Open weights
No
Yes
Release
Dec 10, 2025
Apr 7, 2026
Knowledge cutoff
-
-
API / provider
Zhipu AI
Zhipu / Z.ai
Modalities
text, image → text
text → text
Specs
Context window
200K
203K
Max output
16K
128K
Parameters
—
744B (40B act.)
Pricing
Input $/1M
$0.06
$1.40
Output $/1M
$0.40
$4.40
Blended $/1M (3∶1)
$0.15
$2.15
Speed
tok/s
130
-
TTFT (s)
0.22
-
Reasoning
MMLU-Pro
—
—
GPQA Diamond
58.1
86.8
Humanity's Last Exam
7.6
30.1
AIME 2025
—
—
MATH-500
—
—
Humanity's Last Exam (with tools)
—
—
AA-Omniscience Accuracy
16.2
23.7
AA-LCR v1.1
41.7
73.7
CritPt
0.3
4.6
MMMU-Pro
—
—
IFBench
60.8
76.3
Chartography
—
—
Chartography (With Tools)
—
—
Coding
SWE-bench Verified
—
—
SWE-bench Pro
—
—
SWE-bench Multilingual
—
—
LiveCodeBench
—
—
Terminal-Bench 2.1
—
61.8
Aider Polyglot
—
—
Terminal-Bench 3
—
—
BigCodeBench
—
—
SciCode
33.7
44.8
CursorBench
—
—
SWE-Rebench
30.1
—
NL2Repo-Bench
—
—
DeepSWE
—
—
WebDev Arena
—
1,508
Terminal-Bench 4.0
—
—
CursorBench 4.0
—
—
FrontierCode v1.1 (Main)
—
—
Arena
LMArena Elo
1,366
1,466
| Metric | GLM-4.7 Flash | GLM-5.1 | Delta |
|---|---|---|---|
| Identity | |||
| Organization | Zhipu AI | Zhipu AI | — |
| Family | GLM | GLM | — |
| License | Proprietary | MIT | — |
| Open weights | No | Yes | — |
| Release | Dec 10, 2025 | Apr 7, 2026 | — |
| Knowledge cutoff | - | - | — |
| API / provider | Zhipu AI | Zhipu / Z.ai | — |
| Modalities | text, image → text | text → text | — |
| Specs | |||
| Context window | 200K | 203K | B +3K |
| Max output | 16K | 128K | B +112K |
| Parameters | — | 744B (40B act.) | — |
| Pricing | |||
| Input $/1M | $0.06 | $1.40 | A +$1.34 |
| Output $/1M | $0.40 | $4.40 | A +$4 |
| Blended $/1M (3∶1) | $0.15 | $2.15 | A +$2.00 |
| Speed | |||
| tok/s | 130 | - | — |
| TTFT (s) | 0.22 | - | — |
| Reasoning | |||
| MMLU-Pro | — | — | — |
| GPQA Diamond | 58.1 | 86.8 | B +28.7 pts |
| Humanity's Last Exam | 7.6 | 30.1 | B +22.5 pts |
| AIME 2025 | — | — | — |
| MATH-500 | — | — | — |
| Humanity's Last Exam (with tools) | — | — | — |
| AA-Omniscience Accuracy | 16.2 | 23.7 | B +7.5 pts |
| AA-LCR v1.1 | 41.7 | 73.7 | B +32.0 pts |
| CritPt | 0.3 | 4.6 | B +4.3 pts |
| MMMU-Pro | — | — | — |
| IFBench | 60.8 | 76.3 | B +15.5 pts |
| Chartography | — | — | — |
| Chartography (With Tools) | — | — | — |
| Coding | |||
| SWE-bench Verified | — | — | — |
| SWE-bench Pro | — | — | — |
| SWE-bench Multilingual | — | — | — |
| LiveCodeBench | — | — | — |
| Terminal-Bench 2.1 | — | 61.8 | — |
| Aider Polyglot | — | — | — |
| Terminal-Bench 3 | — | — | — |
| BigCodeBench | — | — | — |
| SciCode | 33.7 | 44.8 | B +11.1 pts |
| CursorBench | — | — | — |
| SWE-Rebench | 30.1 | — | — |
| NL2Repo-Bench | — | — | — |
| DeepSWE | — | — | — |
| WebDev Arena | — | 1,508 | — |
| Terminal-Bench 4.0 | — | — | — |
| CursorBench 4.0 | — | — | — |
| FrontierCode v1.1 (Main) | — | — | — |
| Arena | |||
| LMArena Elo | 1,366 | 1,466 | B +99 Elo |
GLM-4.7 Flash
- Context
- 200K / 16K out
- Parameters
- —
- Price
- $0.06 / $0.40
- Speed
- 130 tok/s · 0.22s TTFT
- Modalities
- text, image → text
- License
- Proprietary
Fast low-cost GLM-4.7 API tier for Chinese/English high-volume chat and light agents.
GLM-5.1
- Context
- 203K / 128K out
- Parameters
- 744B (40B act.)
- Price
- $1.40 / $4.40
- Speed
- —
- Modalities
- text → text
- License
- MIT
Zhipu's April 2026 refinement of the GLM-5 744B MoE (40B active) flagship for agentic engineering — MIT open weights, ~200K context, 128K max output. Benchmark figures here are Artificial Analysis and LMArena leaderboard snapshots, not Zhipu's own launch numbers.
Benchmark charts
Winner bars are emphasized. Per-benchmark deltas sit above each chart.