Mistral: Mistral Medium 3 vs SpaceXAI: Grok 4.20 Multi-Agent: Live Promos, Pricing, Hidden Fees & Latency
Verified 2026 FinOps benchmark comparing Mistral: Mistral Medium 3 (mistralai/mistral-medium-3) vs SpaceXAI: Grok 4.20 Multi-Agent (x-ai/grok-4.20-multi-agent). Simulate cache read multipliers, context cliffs, MAU bills, and P90 latency.
Mistral: Mistral Medium 3 (mistralai/mistral-medium-3) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for Mistral: Mistral Medium 3: Activate ephemeral prefix caching to slash input costs by 50% (down to $0.2/1M) or route via asynchronous Batch API for 50% off standard token rates.
SpaceXAI: Grok 4.20 Multi-Agent (x-ai/grok-4.20-multi-agent) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for SpaceXAI: Grok 4.20 Multi-Agent: Activate ephemeral prefix caching to slash input costs by 50% (down to $0.625/1M) or route via asynchronous Batch API for 50% off standard token rates.
In Etuki October 2026 FinOps telemetry comparing Mistral: Mistral Medium 3 (API ID: mistralai/mistral-medium-3) vs SpaceXAI: Grok 4.20 Multi-Agent (API ID: x-ai/grok-4.20-multi-agent), Mistral: Mistral Medium 3 offers lower standard input pricing at $0.4/1M tokens ($2/1M output), while Mistral: Mistral Medium 3 leads in cached prefix economics at $0.2/1M tokens (50% discount). Mistral: Mistral Medium 3 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 | Mistral: Mistral Medium 3 | SpaceXAI: Grok 4.20 Multi-Agent | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | mistralai/mistral-medium-3 | x-ai/grok-4.20-multi-agent | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $0.4 / $2 | $1.25 / $2.5 | Mistral: Mistral Medium 3 |
| Cache Read Price (per 1M) | $0.2/1M (50% Off) | $0.625/1M (50% Off) | Mistral: Mistral Medium 3 |
| Context Window / Max Output | 128K In / 102K Out | 1953K In / 1758K Out | SpaceXAI: Grok 4.20 Multi-Agent |
| P90 First-Token / Edge Latency | 280ms | 280ms | Mistral: Mistral Medium 3 (-0ms) |
Mistral Medium 3 is a high-performance enterprise-grade language model designed to deliver frontier-level capabilities at significantly reduced operational cost. It balances state-
Grok 4.20 Multi-Agent is a variant of SpaceXAI’s Grok 4.20 designed for collaborative, agent-based workflows. Multiple agents operate in parallel to conduct deep research, coordina
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: Mistral Medium 3 to SpaceXAI: Grok 4.20 Multi-Agent
Grok 4.20 Multi-Agent is a variant of SpaceXAI’s Grok 4.20 designed for collaborative, agent-based workflows. Multiple agents operate in parallel to conduct deep research, coordina Verified P90 latency of 280ms.