iFlytek Spark Max 32K vs Zhipu Glm 4 Long: Live Promos, Pricing, Hidden Fees & Latency
Verified 2026 FinOps benchmark comparing iFlytek Spark Max 32K (iflytek/spark-max-32k) vs Zhipu Glm 4 Long (zhipuai/glm-4-long). Simulate cache read multipliers, context cliffs, MAU bills, and P90 latency.
iFlytek Spark Max 32K (iflytek/spark-max-32k) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for iFlytek Spark Max 32K: Activate ephemeral prefix caching to slash input costs by 90% (down to 0.025/1M) or route via asynchronous Batch API for 50% off standard token rates.
Zhipu Glm 4 Long (zhipuai/glm-4-long) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for Zhipu Glm 4 Long: Activate ephemeral prefix caching to slash input costs by 90% (down to 0.014/1M) or route via asynchronous Batch API for 50% off standard token rates.
In Etuki October 2026 FinOps telemetry comparing iFlytek Spark Max 32K (API ID: iflytek/spark-max-32k) vs Zhipu Glm 4 Long (API ID: zhipuai/glm-4-long), Zhipu Glm 4 Long offers lower standard input pricing at $0.14/1M tokens ($0.42/1M output), while Zhipu Glm 4 Long leads in cached prefix economics at $0.014/1M tokens (90% discount). iFlytek Spark Max 32K achieves a 0ms faster P90 time-to-first-token latency (195ms vs 195ms).
Gateway-synced rate ($0.25/$0.75 per 1M, flat 32K window). Verify upstream provider cache TTL and regional routing before high-volume batch runs.
Gateway-synced rate ($0.14/$0.42 per 1M, flat 1000K window). Verify upstream provider cache TTL and regional routing before high-volume batch runs.
| Specification / FinOps Dimension | iFlytek Spark Max 32K | Zhipu Glm 4 Long | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | iflytek/spark-max-32k | zhipuai/glm-4-long | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $0.25 / $0.75 | $0.14 / $0.42 | Zhipu Glm 4 Long |
| Cache Read Price (per 1M) | $0.025/1M (90% Off) | $0.014/1M (90% Off) | Zhipu Glm 4 Long |
| Context Window / Max Output | 32K In / 64K Out | 1000K In / 64K Out | iFlytek Spark Max 32K |
| P90 First-Token / Edge Latency | 195ms | 195ms | iFlytek Spark Max 32K (-0ms) |
iFlytek Spark Max 32K (iflytek/spark-max-32k): OpenRouter gateway-synced model at $0.25/1M input, $0.75/1M output, $0.025/1M cached input (32K context window).
Zhipu Glm 4 Long (zhipuai/glm-4-long): OpenRouter gateway-synced model at $0.14/1M input, $0.42/1M output, $0.014/1M cached input (1000K context window).
Real-Time Stack Cost & Hidden-Fee Simulator (MAU / Token / Egress / GMV)
Calibrated with Reddit r/FinOps & r/devops telemetry: Includes Context Caching, Bandwidth Egress, and MoR Tax
⚡Switch from iFlytek Spark Max 32K to Zhipu Glm 4 Long
Zhipu Glm 4 Long (zhipuai/glm-4-long): OpenRouter gateway-synced model at $0.14/1M input, $0.42/1M output, $0.014/1M cached input (1000K context window). Verified P90 latency of 195ms.