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Z.ai GLM 5.3 Flash Pricing on OpenRouter

$0.02 per 1M tokensInput price on OpenRouter, per 1M tokens
$0.20 per 1M tokensOutput price on OpenRouter, per 1M tokens
1,048,576 tokensContext window
943,718 tokensLongest reply (max output)

As listed on OpenRouter; details and sources below.

OpenRouter lists Z.ai GLM 5.3 Flash at $0.02 per 1M tokens for input and $0.20 per 1M tokens for output. Observed Last checked · Source · Methodology

A large change waits for confirmation: the check on Oct 18, 2026 returned a price more than 50% above the value shown. The value above stays until a check on another date returns the same price; until then the move is not counted as a change.

Amount worked out from the source page: $0.02 per 1M tokens, in USD · as shown in the United States on Oct 17, 2026 · the page does not say whether tax is included; we do not assume it is excluded.

How we got this number

  • What we read: the published price on openrouter.ai/api/v1/models
  • Checked: ; tracked since Oct 16, 2026
  • Shown in: the United States
  • Checks so far: 2 checks since Oct 16, 2026
  • What changed: the listed price moved between checks since Oct 16, 2026; see the record history · re-checking a large change
  • Page updated:

Other measured facts

QuestionAnswerCheckedStatus
How much does Z.ai GLM 5.3 Flash cost per 1M output tokens on OpenRouter?$0.20 per 1M tokensObserved
What is the context window of Z.ai GLM 5.3 Flash on OpenRouter, in tokens?1,048,576 tokensObserved
What is the maximum output length of Z.ai GLM 5.3 Flash on OpenRouter, in tokens?943,718 tokensObserved

History

The listed price moved between the 2 checks since Oct 16, 2026; every reading is in the record history below.

Marketplace price over the 7 days to Oct 17, 2026: $0.02 per 1M tokens – $0.02 per 1M tokens (2 checks). Short-lived price moves are not listed as changes.

  1. — First check: $0.02 per 1M tokens Added to tracking later than most plans here; it joins month-to-month comparisons from its second month.
  2. Short-lived or unconfirmed moves are not shown as changes.

The source record lists $0.000000016 per token ($0.02 per 1M tokens), fetched on Oct 17, 2026.

The source record, as published
"prompt":"0.0000000156"
What the source says · openrouter.ai
Record history — 11 records for 4 questions
Last record
Shown in
the United States
How much does Z.ai GLM 5.3 Flash cost per 1M input tokens on OpenRouter?
TimeValueStatus
Oct 17, 2026$0.02 per 1M tokensObserved
Oct 16, 2026$0.02 per 1M tokensObserved
How much does Z.ai GLM 5.3 Flash cost per 1M output tokens on OpenRouter?
TimeValueStatus
Oct 18, 2026$0.20 per 1M tokensObserved
Oct 17, 2026$0.20 per 1M tokensObserved
Oct 16, 2026$0.75 per 1M tokensObserved
What is the context window of Z.ai GLM 5.3 Flash on OpenRouter, in tokens?
TimeValueStatus
Oct 18, 20261,048,576 tokensObserved
Oct 17, 20261,048,576 tokensObserved
Oct 16, 20261,048,576 tokensObserved
What is the maximum output length of Z.ai GLM 5.3 Flash on OpenRouter, in tokens?
TimeValueStatus
Oct 18, 2026943,718 tokensObserved
Oct 17, 2026943,718 tokensObserved
Oct 16, 2026131,072 tokensObserved
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