Breaking

Meta Ships Muse Spark 1.1 With First Paid API as OpenAI Rolls Out GPT-5.6 Sol

July 10, 2026 at 01:16 EDT

Foundation Models
AI Agents
Infra & Chips

Meta (Meta Superintelligence Labs) released the multimodal reasoning model "Muse Spark 1.1" around July 9, 2026, and opened a public preview of its first paid API, the "Meta Model API." Around the same time OpenAI rolled out its flagship model "GPT-5.6 Sol," intensifying the contest over autonomous-agent capabilities in the developer API market.

July 9, 2026 · Meta Superintelligence Labs

Meta Fires Back with a Paid API — Muse Spark 1.1 vs GPT-5.6 Sol

Meta launches its first paid Meta Model API with an aggressively priced agentic model, just as OpenAI rolls out its new flagship GPT-5.6 Sol — sharpening the fight over autonomous-agent capabilities in the developer market.

token context window in Muse Spark 1.1

$1.25/1M

input tokens · $4.25 output — aggressive pricing

$20

free API credits for new accounts

The gap Meta had to close

On coding, the original Muse Spark trailed OpenAI — a weakness 1.1 aims to fix.

59.0

Muse Spark
(original)

75.1

GPT-5.4

Coding benchmark score · higher is better

Positioning

Muse Spark 1.1

GPT-5.6 Sol

Type

Multimodal reasoning, agentic focus

Series flagship

Context

1M tokens

Not disclosed

API price /1M

$1.25 in / $4.25 out

Not disclosed

Access

Meta AI app, meta.ai, Model API

ChatGPT reasoning options

Weights

Closed

Developers who praise it

The pricing advantage stands out — cheap tokens plus $20 in free credits make Muse Spark 1.1 attractive for agentic workloads.

The harsher view

Overshadowed by GPT-5.6 Sol — critics say Meta will struggle to catch up unless its next release reaches Sol's level.

Both companies now foreground "autonomous agent" capabilities — and the tug-of-war over price and performance in the developer API market is the story to watch.

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