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GLM-5.3 Marathon

SubconsciousOpen weights

GLM-5.3 Marathon by Subconscious costs $1.40 per 1M input tokens and $4.40 per 1M output tokens, with a 5M-token context window.

Pricing

Input (per 1M tokens)
$1.40
Output (per 1M tokens)
$4.40
Cached input (per 1M)
$0.26

Specifications

Provider
Subconscious
Context window
5M tokens
Parameters
—
Released
Aug 2026
Open weights
Yes
Frontier model
No

Compare GLM-5.3 Marathon with…

GLM-5.3 Marathon vs o3 Mini$4.40/1MGLM-5.3 Marathon vs o4 Mini$4.40/1MGLM-5.3 Marathon vs o1-mini$4.40/1MGLM-5.3 Marathon vs OpenAI o4-mini high$4.40/1MGLM-5.3 Marathon vs Qwen3.7 Max$4.43/1MGLM-5.3 Marathon vs GPT-5.4 Mini$4.50/1M

FAQ

How much does GLM-5.3 Marathon cost?

GLM-5.3 Marathon is priced at $1.40 per 1M input tokens and $4.40 per 1M output tokens. Output tokens cost more than input.

What is GLM-5.3 Marathon's context window?

GLM-5.3 Marathon supports a context window of 5M tokens — the maximum prompt plus response length it can handle in a single request.

Is GLM-5.3 Marathon open weight?

Yes — GLM-5.3 Marathon has openly available weights.

Data as of 2026-10-15. Source: models.dev (open). Pricing is per 1M tokens (USD); confirm with the provider before production use.