glm-4.6 vs grok-4-fast-reasoning

Pricing, Performance & Features Comparison

glm-4.6

Authorzai

Context Length200K

Reasoning

Providers1

ReleasedSep 2025

Knowledge Cutoff-

License-

Superseded Byglm-4.7

GLM-4.6 achieves comprehensive enhancements across multiple domains, including real-world coding, long-context processing, reasoning, searching, writing, and agentic applications.

Input$0.6

Output$2.2

Latency (p50)8.2s

Output Limit-

Function Calling

JSON Mode

Input-

Output-

zai

in$0.6out$2.2cache$0.11-

Latency (24h)

Success Rate (24h)

grok-4-fast-reasoning

Authorxai

Context Length2M

Reasoning

Providers1

ReleasedSep 2025

Knowledge Cutoff-

License-

xAI latest advancement in cost-efficient reasoning models.

Input$0.2

Output$0.5

Latency (p50)2.1s

Output Limit-

Function Calling

JSON Mode

Input-

Output-

xai

in$0.2out$0.5-write$0.05