glm-5.2 vs claude-fable-5

Pricing, Performance & Features Comparison

glm-5.2

Authorzai

Context Length1M

Reasoning

Providers1

ReleasedJun 2026

Knowledge Cutoff–

License–

Z.ai’s flagship (744B MoE, MIT open weights) with a 1M-token context window and adjustable reasoning effort, built for long-horizon coding and agentic tasks.

Input$1.4

Output$4.4

Latency (p50)7.1s

Output Limit131K

Function Calling

JSON Mode

InputText

OutputText

zai

in$1.4out$4.4cache$0.26–

Latency (24h)

Success Rate (24h)

claude-fable-5

Authoranthropic

Context Length1M

Reasoning

Providers1

ReleasedJun 2026

Knowledge Cutoff–

License–

Anthropic’s most capable widely released model, a tier above Opus. Thinking is always on, sampling parameters are rejected, and requests may return a refusal stop reason.

Input$10

Output$50

Latency (p50)8.2s

Output Limit128K

Function Calling

JSON Mode

InputText, Image

OutputText

anthropic

in$10out$50cache$1write$13