Qwen: Qwen3 Coder Next vs Inception: Mercury 3: Live Promos, Pricing, Hidden Fees & Latency
Qwen: Qwen3 Coder Next (qwen/qwen3-coder-next) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for Qwen: Qwen3 Coder Next: Activate ephemeral prefix caching to slash input costs by 50% (down to 0.06/1M) or route via asynchronous Batch API for 50% off standard token rates.
Inception: Mercury 3 (inception/mercury-3) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for Inception: Mercury 3: Activate ephemeral prefix caching to slash input costs by 50% (down to 0.05/1M) or route via asynchronous Batch API for 50% off standard token rates.
In Etuki October 2026 FinOps telemetry comparing Qwen: Qwen3 Coder Next (API ID: qwen/qwen3-coder-next) vs Inception: Mercury 3 (API ID: inception/mercury-3), Inception: Mercury 3 offers lower standard input pricing at $0.1/1M tokens ($0.35/1M output), while Inception: Mercury 3 leads in cached prefix economics at $0.05/1M tokens (50% discount). Qwen: Qwen3 Coder Next 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 | Qwen: Qwen3 Coder Next | Inception: Mercury 3 | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | qwen/qwen3-coder-next | inception/mercury-3 | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $0.12 / $0.8 | $0.1 / $0.35 | Inception: Mercury 3 |
| Cache Read Price (per 1M) | $0.06/1M (50% Off) | $0.05/1M (50% Off) | Inception: Mercury 3 |
| Context Window / Max Output | 256K In / 230K Out | 977K In / 128K Out | Qwen: Qwen3 Coder Next |
| P90 First-Token / Edge Latency | 280ms | 280ms | Qwen: Qwen3 Coder Next (-0ms) |
Qwen3-Coder-Next is an open-weight causal language model optimized for coding agents and local development workflows. It uses a sparse MoE design with 80B total parameters and only
Mercury 3 is a diffusion-based language model from Inception, and the lab's most capable model to date. It is suited for agentic workflows and real-time applications where latency
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 Qwen: Qwen3 Coder Next to Inception: Mercury 3
Mercury 3 is a diffusion-based language model from Inception, and the lab's most capable model to date. It is suited for agentic workflows and real-time applications where latency Verified P90 latency of 280ms.