ZH

GLM 5.1

by Zhipu AI

Tracked text API Available

Tracked release

This page is live so the release is discoverable quickly, but it is not treated as a fully evaluated ranked model yet. Pricing, context, availability, and source notes may already be present while benchmark and quality coverage are still being collected.

Input Price

$0.698

per 1M tokens

Output Price

$4.40

per 1M tokens

Context Window

202.8K

tokens

Max Output

131.1K

tokens

Quality Score

--

awaiting evaluation

Value Score

--

awaiting evaluation

Details

Provider
Zhipu AI
Released
7 Apr 2026
Speed
N/A
Open Source
No
API Available
Yes
Pricing Source
openrouter.ai/api/v1/models
Price Updated
21 Apr 2026

Notes

Auto-tracked from OpenRouter discovery (z-ai/glm-5.1); awaiting official verification.

Price History

Blended price trend (input + 3×output / 4)

$3.28 → $3.47
6%
Date Input $/1M Output $/1M Change
8 Apr 2026 $1.26 $3.96
8 Apr 2026 $1.26 $3.96 0.0%
8 Apr 2026 $1.26 $3.96 0.0%
8 Apr 2026 $1.26 $3.96 0.0%
8 Apr 2026 $1.26 $3.96 0.0%
8 Apr 2026 $1.40 $4.40 +11.1%
9 Apr 2026 $1.40 $4.40 0.0%
9 Apr 2026 $1.40 $4.40 0.0%
9 Apr 2026 $1.40 $4.40 0.0%
9 Apr 2026 $1.40 $4.40 0.0%
9 Apr 2026 $1.40 $4.40 0.0%
9 Apr 2026 $1.26 $3.96 -10.0%
9 Apr 2026 $1.26 $3.96 0.0%
9 Apr 2026 $1.26 $3.96 0.0%
9 Apr 2026 $1.26 $3.96 0.0%
10 Apr 2026 $1.26 $3.96 0.0%
10 Apr 2026 $1.26 $3.96 0.0%
10 Apr 2026 $1.26 $3.96 0.0%
10 Apr 2026 $1.26 $3.96 0.0%
10 Apr 2026 $1.26 $3.96 0.0%
10 Apr 2026 $1.26 $3.96 0.0%
10 Apr 2026 $1.26 $3.96 0.0%
10 Apr 2026 $1.26 $3.96 0.0%
10 Apr 2026 $1.26 $3.96 0.0%
10 Apr 2026 $1.26 $3.96 0.0%
10 Apr 2026 $1.26 $3.96 0.0%
10 Apr 2026 $1.26 $3.96 0.0%
10 Apr 2026 $1.40 $4.40 +11.1%
10 Apr 2026 $1.40 $4.40 0.0%
10 Apr 2026 $0.950 $3.15 -28.7%
10 Apr 2026 $0.950 $3.15 0.0%
10 Apr 2026 $0.950 $3.15 0.0%
10 Apr 2026 $0.950 $3.15 0.0%
11 Apr 2026 $0.950 $3.15 0.0%
11 Apr 2026 $0.950 $3.15 0.0%
11 Apr 2026 $0.950 $3.15 0.0%
11 Apr 2026 $0.950 $3.15 0.0%
11 Apr 2026 $0.950 $3.15 0.0%
11 Apr 2026 $0.950 $3.15 0.0%
11 Apr 2026 $0.950 $3.15 0.0%
11 Apr 2026 $0.950 $3.15 0.0%
11 Apr 2026 $0.950 $3.15 0.0%
11 Apr 2026 $0.950 $3.15 0.0%
11 Apr 2026 $0.950 $3.15 0.0%
19 Apr 2026 $0.950 $3.15 0.0%
20 Apr 2026 $0.950 $3.15 0.0%
21 Apr 2026 $0.698 $4.40 +33.6%