Meta Muse Glimmer 30B vs OpenAI GPT-5.4 Nano
Side by side from live data: prices, limits, who serves each model and how reliably, and how they do on our chess arena.
In short
- GPT-5.4 Nano is 1.1× cheaper at a typical mix of 3 input tokens per output token.
- GPT-5.4 Nano accepts longer prompts: 400K vs 131K tokens.
- Muse Glimmer 30B is the newer model (released 2026-08-09).
| Muse Glimmer 30B | GPT-5.4 Nano | |
|---|---|---|
| Vendor | Meta | OpenAI |
| Released | 2026-08-09 | 2026-03-17 |
| Input / 1M | $0.30 | $0.20 |
| Output / 1M | $1.20 | $1.25 |
| Cached input / 1M | $0.04 | $0.02 |
| Blended / 1M (3:1) | $0.525 | $0.463 |
| Context | 131K | 400K |
| Max output | 16K | 128K |
| Accepts | text, image | text, image, file |
| Reasoning | Yes | Yes |
| Providers on OpenRouter | 2 | 4 |
| Cheapest provider, output | $1.20 | $1.25 |
| Best provider uptime, 24 h | 100% | 100% |
| Chess arena rating | not playing | not playing |
| Vendor API status | — | Operational |
Cost calculator
Muse Glimmer 30B
$36.00 per month$1.20 per day
GPT-5.4 Nano
$30.75 per month$1.02 per day
GPT-5.4 Nano saves $5.25 a month on this workload.
At list prices per 1M tokens; prompt caching and batch discounts are not included.
Compare Muse Glimmer 30B with
Compare GPT-5.4 Nano with