Meta vs 
OpenAI
Verdict
- OpenAI's flagship leads: GPT-6 Astra at 70.6 vs Muse Spark at 65.4.
- OpenAI has the better model in 4 of 4 price bands.
- Meta's fastest ranked model (Muse Spark 1.2, 219 tok/s) beats OpenAI's (GPT-5.4 mini, 218 tok/s).
- Meta publishes more open-weights models (14 vs 4).
- OpenAI ships more often: one model every 26 days against every 27.
Best model per price band
Each provider’s highest-index model below the price ceiling. Purple marks the winner of the band.
| Price band | Meta | OpenAI |
|---|---|---|
| Under $0.50/M | Llama 4 Maverick 42.6$0.400/M | GPT-5.6 Luna xhigh 59.3$0.450/M |
| Under $2/M | Muse Glimmer (high) 55.1$0.638/M | GPT-5.6 Luna xhigh 59.3$0.450/M |
| Under $10/M | Muse Spark 1.1 64.9$2.00/M | GPT-5.6 Sol high 68.0$8.00/M |
| Any price | Muse Spark 1.1 64.9$2.00/M | GPT-6 Astra max 70.6$22.00/M |
Line-up
| Metric | Meta | OpenAI |
|---|---|---|
| Flagship index | 65.4 | 70.6 |
| Ranked models | 21 | 38 |
| Open-weights models | 14 | 4 |
| Cheapest ranked, $/M | $0.053 | $0.085 |
| Fastest ranked, tok/s | 219 | 218 |
| Release cadence, days | 27 | 26 |
| Last release | 2 Sept 2026 | 3 Sept 2026 |
| Next expected | 18 Sept 2026 – 9 Oct 2026 | 18 Sept 2026 – 9 Oct 2026 |