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Mk1.5

AI/ML API

Mk1.5 by AI/ML API costs $0.16 per 1M input tokens and $1.59 per 1M output tokens, with a 37K-token context window.

Pricing

Input (per 1M tokens)
$0.16
Output (per 1M tokens)
$1.59
Cached input (per 1M)
—

Specifications

Provider
AI/ML API
Context window
37K tokens
Parameters
—
Released
Sep 2026
Open weights
No
Frontier model
No

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FAQ

How much does Mk1.5 cost?

Mk1.5 is priced at $0.16 per 1M input tokens and $1.59 per 1M output tokens. Output tokens cost more than input.

What is Mk1.5's context window?

Mk1.5 supports a context window of 37K tokens — the maximum prompt plus response length it can handle in a single request.

Is Mk1.5 open weight?

No — Mk1.5 is a closed/proprietary model accessed via API.

Data as of 2026-10-25. Source: models.dev (open). Pricing is per 1M tokens (USD); confirm with the provider before production use.