Compare AI Models

Select two models to compare their pricing, performance benchmarks, capabilities, and technical specifications side by side.

Model 1

Model 2

Z.ai: GLM 5.1 (new)

z-ai

Select a model

Input Price

Cost per 1M input tokens

$1.00/M tokens

—

Output Price

Cost per 1M output tokens

$3.20/M tokens

—

Cache Read Price

Cost per 1M cached tokens

$0.00/M tokens

—

Context Window

Maximum tokens the model can process

202,752 tokens

—

Max Output Tokens

Maximum tokens in model response

202,752 tokens

—

Input Modalities

Supported input types

text

—

Output Modalities

Supported output types

text

—

Function Calling

Can call external functions/APIs

✓ Supported

—

Tool Choice

Control over function selection

✓ Supported

—

Structured Outputs

JSON schema validation

✓ Supported

—

Reasoning Tokens

Extended thinking for complex problems

✗ Not supported

—

Content Moderation

Content filtering status

Disabled

—

Model ID

z-ai/glm-5.1

—

Tokenizer

Other

—

Created On OpenRouter

Apr 7, 2026

—

Compare AI Models

Pricing

Context & Modalities

Performance Benchmarks

Capabilities & Features

Technical Details