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Prism

Charm Hyper

Prism by Charm Hyper costs $3.27 per 1M input tokens and $16.33 per 1M output tokens, with a 1M-token context window.

Pricing

Input (per 1M tokens)
$3.27
Output (per 1M tokens)
$16.33
Cached input (per 1M)
$0.33

Specifications

Provider
Charm Hyper
Context window
1M tokens
Parameters
—
Released
Jan 1970
Open weights
No
Frontier model
No

Compare Prism with…

Prism vs chatgpt-4o-latest$15.00/1MPrism vs Kimi K3$15.00/1MPrism vs GPT-5.4$15.00/1MPrism vs Claude Sonnet 4$15.00/1MPrism vs Claude Sonnet 4.5$15.00/1MPrism vs Claude Sonnet 4.6$15.00/1M

FAQ

How much does Prism cost?

Prism is priced at $3.27 per 1M input tokens and $16.33 per 1M output tokens. Output tokens cost more than input.

What is Prism's context window?

Prism supports a context window of 1M tokens — the maximum prompt plus response length it can handle in a single request.

Is Prism open weight?

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

Data as of 2026-10-16. Source: models.dev (open). Pricing is per 1M tokens (USD); confirm with the provider before production use.