moonshotai/kimi-k3 vs z-ai/glm-5.2
For 100,000 calls of 2,000 in and 500 out, z-ai/glm-5.2 is cheaper: $356.82 a month at OpenRouter, against $612.80 for moonshotai/kimi-k3 at OpenRouter — 1.7× the cost.
Cheapest on each
moonshotai/kimi-k3
$612.80/mo
cheapest, at OpenRouter — $0.189 in, $11.5 out per million
z-ai/glm-5.2
$356.82/mo
cheapest, at OpenRouter — $0.0341 in, $7 out per million
Aligned facts
Same rows on both sides, including the ones we cannot fill.
| Attribute | moonshotai/kimi-k3 | z-ai/glm-5.2 |
|---|---|---|
| Context window | 1M | 1M |
| Accepts | Aa · IMG · VID | Aa |
| Sellers | 6 | 6 |
| Cheapest input rate | $0.189 / M | $0.0341 / M |
| Cached input rate | $0.179 / M | $0.033 / M |
No quality or benchmark row appears here. We hold no throughput or accuracy measurement for either model, and a cost-per-quality figure built from a lab’s own claim would look authoritative and mean nothing.
Cost for this workload — both models, every seller
100,000 calls a month · 2,000 input and 500 output tokens each. Sellers of both models lead, cheapest combined cost first.
| Seller | moonshotai/kimi-k3 /mo | z-ai/glm-5.2 /mo |
|---|---|---|
| OpenRouter | $612.802026-10-27 | $356.822026-10-27 |
| Baseten | $1,350.002026-10-22 | $500.002026-10-22 |
| Novita AI | $1,350.002026-10-22 | $500.002026-10-22 |
| Together AI | $1,350.002026-10-27 | $500.002026-10-27 |
| Fireworks AI | $1,350.002026-10-22 | $500.002026-10-13 |
| Moonshot AI | $1,350.002026-10-22 | ○ no answer |
| FriendliAI | ○ no answer | $500.002026-10-21 |
Cheapest tier per seller, this workload only. In and output rates, and a cached prefix, are broken out in the cost calculator.