betaClosedreleased Aug 5, 2026

Muse Spark 1.2

API pricing · verified Aug 19, 2026

Input from $/1M

$1.25

Output from $/1M

$4.25

Context

1.05M

131K max output

Providers

textvisiontoolsjson-modereasoning

Provider	Input $/1M	Output $/1M	Cached input $/1M	Updated	Source
Meta	$1.25	$4.25	$0.15	Aug 19, 2026	official page ↗

public preview, US-only; Contributor tier (trains on your data): $0.10/$0.20, cached $0.002

Arena & benchmarks

Board	Arena score	Rank	Votes	Snapshot
Text Overall muse-spark-1.2 (xHigh)	1498±10	#4	3,280	Aug 13, 2026
Coding muse-spark-1.2 (xHigh)	1533±20	#8	947	Aug 13, 2026
Hard Prompts muse-spark-1.2 (xHigh)	1511±13	#11	2,148	Aug 13, 2026
Vision muse-spark-1.2 (xHigh)	1290±18	#10	1,282	Aug 6, 2026

Benchmark	Score	Tested	Note	Source
Terminal-Bench 2.1	82.9	Aug 5, 2026	Meta-reported; independent Vals AI run scored 14/50 on a common scaffold — large discrepancy	source ↗

Also: DeepSWE v1.1 59.3 (Aug 2026, Meta-reported)

Last verified: Aug 19, 2026. Prices change — always confirm on the official page before budgeting.Compare →Estimate monthly cost →