Compare AI models

Specifications
Context window
1M400k
API pricing
Input price
—$0.75
Output price
—$4.50
Cached input price
—$0.075
Cheapest input
—$0.375OpenAI
Cheapest output
—$2.25OpenAI

These models have no shared benchmark scores.

Overview
CompanyMetaOpenAI
Release dateOct 12 2026Mar 17 2026
AccessClosedClosed
Model detailsView modelView model

Frequently asked questions

Muse Wonder and GPT-5.4 mini don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Only GPT-5.4 mini has a verified first-party API price: $0.75 per million input tokens and $4.50 per million output tokens. No pay-as-you-go API rate is tracked for Muse Wonder. GPT-5.4 mini shipped 209 days before Muse Wonder, so benchmark comparisons should account for the intervening progress.

Context windows are 1M (Muse Wonder) vs 400k (GPT-5.4 mini).

Direct benchmark comparisons are unavailable — Muse Wonder and GPT-5.4 mini don't publish scores on any of the same benchmarks.