Z.ai: GLM 5 vs Mistral: Codestral 2508 (batch): Live Promos, Pricing, Hidden Fees & Latency
Verified 2026 FinOps benchmark comparing Z.ai: GLM 5 (z-ai/glm-5) vs Mistral: Codestral 2508 (batch) (mistralai/codestral-2508:batch). Simulate cache read multipliers, context cliffs, MAU bills, and P90 latency.
Z.ai: GLM 5 (z-ai/glm-5) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for Z.ai: GLM 5: Activate ephemeral prefix caching to slash input costs by 50% (down to $0.5/1M) or route via asynchronous Batch API for 50% off standard token rates.
Mistral: Codestral 2508 (batch) (mistralai/codestral-2508:batch) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for Mistral: Codestral 2508 (batch): Activate ephemeral prefix caching to slash input costs by 50% (down to $0.075/1M) or route via asynchronous Batch API for 50% off standard token rates.
In Etuki October 2026 FinOps telemetry comparing Z.ai: GLM 5 (API ID: z-ai/glm-5) vs Mistral: Codestral 2508 (batch) (API ID: mistralai/codestral-2508:batch), Mistral: Codestral 2508 (batch) offers lower standard input pricing at $0.15/1M tokens ($0.45/1M output), while Mistral: Codestral 2508 (batch) leads in cached prefix economics at $0.075/1M tokens (50% discount). Z.ai: GLM 5 achieves a 0ms faster P90 time-to-first-token latency (280ms vs 280ms).
Auto-discovered via live global telemetry registry.
Auto-discovered via live global telemetry registry.
| Specification / FinOps Dimension | Z.ai: GLM 5 | Mistral: Codestral 2508 (batch) | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | z-ai/glm-5 | mistralai/codestral-2508:batch | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $1 / $3.2 | $0.15 / $0.45 | Mistral: Codestral 2508 (batch) |
| Cache Read Price (per 1M) | $0.5/1M (50% Off) | $0.075/1M (50% Off) | Mistral: Codestral 2508 (batch) |
| Context Window / Max Output | 200K In / 128K Out | 250K In / 200K Out | Mistral: Codestral 2508 (batch) |
| P90 First-Token / Edge Latency | 280ms | 280ms | Z.ai: GLM 5 (-0ms) |
GLM-5 is Z.ai’s flagship open-source foundation model engineered for complex systems design and long-horizon agent workflows. Built for expert developers, it delivers production-gr
Mistral's cutting-edge language model for coding released end of July 2025. Codestral specializes in low-latency, high-frequency tasks such as fill-in-the-middle (FIM), code correc
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 Z.ai: GLM 5 to Mistral: Codestral 2508 (batch)
Mistral's cutting-edge language model for coding released end of July 2025. Codestral specializes in low-latency, high-frequency tasks such as fill-in-the-middle (FIM), code correc Verified P90 latency of 280ms.