TL;DR — the value-tier undercard: Kimi K2.6's flat $0.60 input vs GLM-5.1's tiered ~$0.84–1.12; GLM's output is slightly cheaper (~$3.36–3.92 vs $4.00). Every number below is from our weekly-verified pricing tracker (verified 2026-08-26).
Pricing side by side (per 1M tokens, USD)
| Model | Provider | Input | Output | |-------|----------|-------|--------| | GLM-5.1 | Zhipu (Z.ai) | $0.84–1.12 | $3.36–3.92 | | Kimi K2.6 | Moonshot | $0.6 | $4 |
Verified 2026-08-26 against official rate cards — the tracker keeps the change log.
What a real month costs
At a standard workload of 10M input + 2M output tokens/month:
- GLM-5.1: $15.12–19.04
- Kimi K2.6: $14.00
On this mix, Kimi K2.6 is the cheaper column (1.2× gap). Your ratio will differ — run your own mix through the LLM cost calculator.
Choose GLM-5.1 if
short-request workloads that hit GLM's bottom tier — and the ecosystem bonus that Zhipu's ladder includes the genuinely free GLM-4.7-Flash (200K context) below it.
Choose Kimi K2.6 if
flat-rate simplicity with the cheapest non-tiered input in the value class — Kimi's $0.60 needs no tier engineering to collect.
Routing decision card
- Both models exist because value-tier reasoning got crowded in 2026 — quality on your tasks, not the small price gaps, should decide
- GLM's real edge is the family: free Flash tier below for bulk, 5.1 for reasoning (details)
- Either way you get value-tier rates that undercut Western mid-tier by 2–3×
- The router answer: most teams shouldn't hard-pick one — ClawRouters routes each request to whichever side fits it, so the comparison becomes a per-call decision instead of a bet.
Per-model detail: GLM-5.1 deep dive
Part of the LLM model comparison index. Prices move fast in 2026 — the tracker logs every change with dates.