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Model

GPT-5.5 Instant

Compact GPT model for low-latency assistance and high-volume workloads

1 providers · 1 listingsreleased knowledge cutoff 2025-12-01closed weights
$5
lowest input /M · ZenMux
$30
lowest output /M · ZenMux
400K
context window
128K
max output

Compare providers (sorted by listed input price)

1 listings
Cache read /MCache write /MCapabilitiesStatus
ZenMux
openai/gpt-5.5-instant
$5$30$0.5400KreasoningtoolsstructuredvisionMay 28, 2026

Best price history

Daily lowest published price across live providers. A lower line is better for the buyer.

Best input /M
$5unchanged
Best output /M
$30unchanged
Provider coverage
1
1 at the start · 24 snapshots

Published best prices are unchanged.

24 daily snapshots collected from Aug 21, 2026 through Sep 14, 2026. A price chart will appear after the first real move.

Price badge

Current price badge for GPT-5.5 Instant
![GPT-5.5 Instant price](https://www.vaanalytics.in/badge/openai/gpt-5.5-instant.svg)
https://www.vaanalytics.in/badge/openai/gpt-5.5-instant.svg

Live SVG, regenerated on every hourly sync — paste it into a README to always show the current cheapest listed price. Updates when prices change; no build step needed on your side.

Prices are per million tokens (USD). “—” means the provider does not publicly list a price for this model. Data from models.dev; verify with the provider before purchasing.