Chat Latest (GPT-5.5 Instant)
ZenMux
Chat Latest (GPT-5.5 Instant) by ZenMux costs $5.00 per 1M input tokens and $30.00 per 1M output tokens, with a 400K-token context window.
Pricing
Input (per 1M tokens)
$5.00
Output (per 1M tokens)
$30.00
Cached input (per 1M)
$0.50
Specifications
- Provider
- ZenMux
- Context window
- 400K tokens
- Parameters
- —
- Released
- May 2026
- Open weights
- No
- Frontier model
- No
Compare Chat Latest (GPT-5.5 Instant) with…
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FAQ
How much does Chat Latest (GPT-5.5 Instant) cost?
Chat Latest (GPT-5.5 Instant) is priced at $5.00 per 1M input tokens and $30.00 per 1M output tokens. Output tokens cost more than input.
What is Chat Latest (GPT-5.5 Instant)'s context window?
Chat Latest (GPT-5.5 Instant) supports a context window of 400K tokens — the maximum prompt plus response length it can handle in a single request.
Is Chat Latest (GPT-5.5 Instant) open weight?
No — Chat Latest (GPT-5.5 Instant) is a closed/proprietary model accessed via API.
Data as of 2026-10-22. Source: models.dev (open). Pricing is per 1M tokens (USD); confirm with the provider before production use.