GLM-5.3 vs Muse Spark 1.2
Specs, per-token pricing, and live benchmark scores — refreshed daily from our benchmark database.
Specs & pricing
| GLM-5.3 | Muse Spark 1.2 | |
|---|---|---|
| Company | Zhipu AI | Meta AI |
| Released | Aug 2026 | Aug 2026 |
| Context window | 1.0M | 1.0M |
| Input /1M tokens | $1.4 | $1.25 |
| Output /1M tokens | $4.4 | $4.25 |
| Open weights | No | No |
Benchmarks
| Benchmark | GLM-5.3 | Muse Spark 1.2 |
|---|---|---|
| GPQA | — | 90.4% |
| Hallucination Rate (lower is better) | — | 33.3% |
Scores come from published leaderboards and official model cards (sources listed on the benchmarks page) and refresh daily. Pricing via vendor pages and OpenRouter.