Epoch AI (X), 2026; retrieved 2026-09-15 tier 3 self (epoch)confirmed
Epoch AI on X: pre-release access to Meta's Muse Spark
https://x.com/EpochAIResearch/status/2041947954202988757
'We had pre-release access to Meta’s new Muse Spark model and evaluated it on FrontierMath.' Fetched 2026-09-15; span present.
Signals citing this source
- Epoch AI, A (for): Epoch reports pre-release access to evaluate GPT-5.4 (March 2026) and Meta's Muse Spark on FrontierMath.
Ledger rows citing this URL
- none