MoonshotAI: Kimi K2 0905 vs Mistral: Mistral Small 3.1 24B: Live Promos, Pricing, Hidden Fees & Latency
Verified 2026 FinOps benchmark comparing MoonshotAI: Kimi K2 0905 (moonshotai/kimi-k2-0905) vs Mistral: Mistral Small 3.1 24B (mistralai/mistral-small-3.1-24b-instruct). Simulate cache read multipliers, context cliffs, MAU bills, and P90 latency.
MoonshotAI: Kimi K2 0905 (moonshotai/kimi-k2-0905) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for MoonshotAI: Kimi K2 0905: Activate ephemeral prefix caching to slash input costs by 50% (down to $0.3/1M) or route via asynchronous Batch API for 50% off standard token rates.
Mistral: Mistral Small 3.1 24B (mistralai/mistral-small-3.1-24b-instruct) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for Mistral: Mistral Small 3.1 24B: Activate ephemeral prefix caching to slash input costs by 50% (down to $0.1755/1M) or route via asynchronous Batch API for 50% off standard token rates.
In Etuki October 2026 FinOps telemetry comparing MoonshotAI: Kimi K2 0905 (API ID: moonshotai/kimi-k2-0905) vs Mistral: Mistral Small 3.1 24B (API ID: mistralai/mistral-small-3.1-24b-instruct), Mistral: Mistral Small 3.1 24B offers lower standard input pricing at $0.351/1M tokens ($0.555/1M output), while Mistral: Mistral Small 3.1 24B leads in cached prefix economics at $0.1755/1M tokens (50% discount). MoonshotAI: Kimi K2 0905 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 | MoonshotAI: Kimi K2 0905 | Mistral: Mistral Small 3.1 24B | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | moonshotai/kimi-k2-0905 | mistralai/mistral-small-3.1-24b-instruct | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $0.6 / $2.5 | $0.351 / $0.555 | Mistral: Mistral Small 3.1 24B |
| Cache Read Price (per 1M) | $0.3/1M (50% Off) | $0.1755/1M (50% Off) | Mistral: Mistral Small 3.1 24B |
| Context Window / Max Output | 256K In / 96K Out | 125K In / 100K Out | Mistral: Mistral Small 3.1 24B |
| P90 First-Token / Edge Latency | 280ms | 280ms | MoonshotAI: Kimi K2 0905 (-0ms) |
Kimi K2 0905 is the September update of [Kimi K2 0711](moonshotai/kimi-k2). It is a large-scale Mixture-of-Experts (MoE) language model developed by Moonshot AI, featuring 1 trilli
Mistral Small 3.1 24B Instruct is an upgraded variant of Mistral Small 3 (2501), featuring 24 billion parameters with advanced multimodal capabilities. It provides state-of-the-art
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 MoonshotAI: Kimi K2 0905 to Mistral: Mistral Small 3.1 24B
Mistral Small 3.1 24B Instruct is an upgraded variant of Mistral Small 3 (2501), featuring 24 billion parameters with advanced multimodal capabilities. It provides state-of-the-art Verified P90 latency of 280ms.