Meituan LongCat 2.0 vs Z.ai GLM 5.3 FlashX
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
- LongCat 2.0 is 1.1× cheaper at a typical mix of 3 input tokens per output token.
- Both accept prompts up to 1M tokens.
- GLM 5.3 FlashX's best provider was more reliable over 24 h: 99.93% vs 98.8%.
- GLM 5.3 FlashX is the newer model (released 2026-09-18).
| LongCat 2.0 | GLM 5.3 FlashX | |
|---|---|---|
| Vendor | Meituan | Z.ai |
| Released | 2026-07-20 | 2026-09-18 |
| Input / 1M | $0.30 | $0.37 |
| Output / 1M | $1.20 | $1.25 |
| Cached input / 1M | $0.0060 | $0.09 |
| Blended / 1M (3:1) | $0.525 | $0.59 |
| Context | 1M | 1M |
| Max output | 262K | 131K |
| Accepts | text | text, image, video |
| Reasoning | Yes | Yes |
| Providers on OpenRouter | 1 | 1 |
| Cheapest provider, output | $1.20 | $1.25 |
| Best provider uptime, 24 h | 98.8% | 99.93% |
| Chess arena rating | not playing | not playing |
| Vendor API status | — | — |
Cost calculator
LongCat 2.0
$36.00 per month$1.20 per day
GLM 5.3 FlashX
$40.95 per month$1.36 per day
LongCat 2.0 saves $4.95 a month on this workload.
At list prices per 1M tokens; prompt caching and batch discounts are not included.
Compare LongCat 2.0 with
Compare GLM 5.3 FlashX with