Mistral AI Devstral Small vs MiniMax Text-02 Ultra (4M): Live Promos, Pricing, Hidden Fees & Latency
Mistral AI Devstral Small (mistralai/devstral-small) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for Mistral AI Devstral Small: Activate ephemeral prefix caching to slash input costs by 90% (down to 0.01/1M) or route via asynchronous Batch API for 50% off standard token rates.
MiniMax Text-02 Ultra (4M) (minimax-text-02-ultra) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for MiniMax Text-02 Ultra (4M): Activate ephemeral prefix caching to slash input costs by 90% (down to 0.08/1M) or route via asynchronous Batch API for 50% off standard token rates.
In Etuki October 2026 FinOps telemetry comparing Mistral AI Devstral Small (API ID: mistralai/devstral-small) vs MiniMax Text-02 Ultra (4M) (API ID: minimax-text-02-ultra), Mistral AI Devstral Small offers lower standard input pricing at $0.1/1M tokens ($0.3/1M output), while Mistral AI Devstral Small leads in cached prefix economics at $0.01/1M tokens (90% discount). Mistral AI Devstral Small achieves a 25ms faster P90 time-to-first-token latency (195ms vs 220ms).
Gateway-synced rate ($0.1/$0.3 per 1M, flat 128K window). Verify upstream provider cache TTL and regional routing before high-volume batch runs.
Enable Prompt Context Caching & Batch API to reduce repeated system prompt input token burn by 50%-97.5%.
| Specification / FinOps Dimension | Mistral AI Devstral Small | MiniMax Text-02 Ultra (4M) | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | mistralai/devstral-small | minimax-text-02-ultra | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $0.1 / $0.3 | $0.8 / $3.2 | Mistral AI Devstral Small |
| Cache Read Price (per 1M) | $0.01/1M (90% Off) | $0.08/1M (90% Off) | Mistral AI Devstral Small |
| Context Window / Max Output | 128K In / 64K Out | 4000K In / 128K Out | MiniMax Text-02 Ultra (4M) |
| P90 First-Token / Edge Latency | 195ms | 220ms | Mistral AI Devstral Small (-25ms) |
Mistral AI Devstral Small (mistralai/devstral-small): OpenRouter gateway-synced model at $0.1/1M input, $0.3/1M output, $0.01/1M cached input (128K context window).
MiniMax 4-Million token ultra-long context model ($0.80/$3.20 per 1M, $0.08 cache read [90% off], 4M 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 Mistral AI Devstral Small to MiniMax Text-02 Ultra (4M)
MiniMax 4-Million token ultra-long context model ($0.80/$3.20 per 1M, $0.08 cache read [90% off], 4M context window). Verified P90 latency of 220ms.