Cohere: Command A vs OpenAI: GPT Luna Latest: Live Promos, Pricing, Hidden Fees & Latency
Verified 2026 FinOps benchmark comparing Cohere: Command A (cohere/command-a) vs OpenAI: GPT Luna Latest (~openai/gpt-luna-latest). Simulate cache read multipliers, context cliffs, MAU bills, and P90 latency.
Cohere: Command A (cohere/command-a) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for Cohere: Command A: Activate ephemeral prefix caching to slash input costs by 50% (down to $1.25/1M) or route via asynchronous Batch API for 50% off standard token rates.
OpenAI: GPT Luna Latest (~openai/gpt-luna-latest) Startup Credits & Batch API 50% Off Promo
OpenAI GPT-6.1 Sol ($2/$10 base rate) qualifies for immediate 75% automatic prefix caching ($0.50/1M), 50% off 24-hour Batch API completions ($1/$5), and up to $150,000 in OpenAI/Azure Foundry credits via Microsoft for Startups Founders Hub (no VC funding required for initial tiers).
In Etuki October 2026 FinOps telemetry comparing Cohere: Command A (API ID: cohere/command-a) vs OpenAI: GPT Luna Latest (API ID: ~openai/gpt-luna-latest), OpenAI: GPT Luna Latest offers lower standard input pricing at $0.1/1M tokens ($0.5/1M output), while OpenAI: GPT Luna Latest leads in cached prefix economics at $0.05/1M tokens (50% discount). Cohere: Command A 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 | Cohere: Command A | OpenAI: GPT Luna Latest | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | cohere/command-a | ~openai/gpt-luna-latest | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $2.5 / $10 | $0.1 / $0.5 | OpenAI: GPT Luna Latest |
| Cache Read Price (per 1M) | $1.25/1M (50% Off) | $0.05/1M (50% Off) | OpenAI: GPT Luna Latest |
| Context Window / Max Output | 250K In / 8K Out | 1025K In / 125K Out | OpenAI: GPT Luna Latest |
| P90 First-Token / Edge Latency | 280ms | 280ms | Cohere: Command A (-0ms) |
Command A is an open-weights 111B parameter model with a 256k context window focused on delivering great performance across agentic, multilingual, and coding use cases. Compared to
This model always redirects to the latest model in the GPT Luna family.
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 Cohere: Command A to OpenAI: GPT Luna Latest
This model always redirects to the latest model in the GPT Luna family. Verified P90 latency of 280ms.