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GLM-5.3

glm-5.3

CHAT High tier Reasoning Open-weight

GLM-5.3 (glm-5.3) is a chat model from zai with a 1M-token context window; open-weight; capabilities tools, reasoning; input text; output text.

1MContext
128KMax output
$1.4$ / 1M in
31.7Intelligence
73.91tok / s

Pricing

Input
$1.4 / 1M tokens
Output
$4.4 / 1M tokens
Currency
USD
Note
Indicative US list price — verify with the vendor.

Indicative US list price — a reference only, verify with the vendor. Source: litellm. Last verified 2026-10-30.

Benchmarks

Intelligence index
31.7

Cited from a public third-party leaderboard — a reference, verify at the source. Source: Artificial Analysis. Last verified 2026-11-05.

Performance

Throughput
73.91 tokens/s
Latency (TTFT)
1.65 s

Cited speed metrics — a reference, verify at the source. Source: Artificial Analysis. Last verified 2026-11-05.

Specifications

Context window
1,000,000 tokens (1M)
Max output
128,000 tokens
Weights
Open-weight
Input modalities
text
Output modalities
text
Release date
2026-08-14

Capabilities

tools reasoning

Provenance

artificial-analysislitellmmodels-dev
Last verified: 2026-11-05

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