Compare AI models

Specifications
Context window
1M128k
API pricing
Input price
—$10.00
Output price
—$30.00
Cheapest input
$1.25Meta$10.00OpenAI
Cheapest output
$4.25Meta$30.00OpenAI

These models have no shared benchmark scores.

Overview
CompanyMetaOpenAI
Release dateSep 2 2026Nov 6 2023
AccessClosedClosed
Model detailsView modelView model

Frequently asked questions

Muse Spark 1.3 and GPT-4 Turbo don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Only GPT-4 Turbo has a verified first-party API price: $10.00 per million input tokens and $30.00 per million output tokens. No pay-as-you-go API rate is tracked for Muse Spark 1.3. GPT-4 Turbo shipped 1031 days before Muse Spark 1.3, so benchmark comparisons should account for the intervening progress.

Context windows are 1M (Muse Spark 1.3) vs 128k (GPT-4 Turbo).

Direct benchmark comparisons are unavailable — Muse Spark 1.3 and GPT-4 Turbo don't publish scores on any of the same benchmarks.