Amazon: Nova Premier 1.0 vs StepFun: Step 5 Preview: Live Promos, Pricing, Hidden Fees & Latency
Verified 2026 FinOps benchmark comparing Amazon: Nova Premier 1.0 (amazon/nova-premier-v1) vs StepFun: Step 5 Preview (stepfun/step-5-preview). Simulate cache read multipliers, context cliffs, MAU bills, and P90 latency.
Amazon: Nova Premier 1.0 (amazon/nova-premier-v1) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for Amazon: Nova Premier 1.0: 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.
StepFun: Step 5 Preview (stepfun/step-5-preview) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for StepFun: Step 5 Preview: Activate ephemeral prefix caching to slash input costs by 50% (down to $0.5/1M) or route via asynchronous Batch API for 50% off standard token rates.
In Etuki October 2026 FinOps telemetry comparing Amazon: Nova Premier 1.0 (API ID: amazon/nova-premier-v1) vs StepFun: Step 5 Preview (API ID: stepfun/step-5-preview), StepFun: Step 5 Preview offers lower standard input pricing at $1/1M tokens ($2.7/1M output), while StepFun: Step 5 Preview leads in cached prefix economics at $0.5/1M tokens (50% discount). Amazon: Nova Premier 1.0 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 | Amazon: Nova Premier 1.0 | StepFun: Step 5 Preview | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | amazon/nova-premier-v1 | stepfun/step-5-preview | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $2.5 / $12.5 | $1 / $2.7 | StepFun: Step 5 Preview |
| Cache Read Price (per 1M) | $1.25/1M (50% Off) | $0.5/1M (50% Off) | StepFun: Step 5 Preview |
| Context Window / Max Output | 977K In / 31K Out | 1024K In / 63K Out | StepFun: Step 5 Preview |
| P90 First-Token / Edge Latency | 280ms | 280ms | Amazon: Nova Premier 1.0 (-0ms) |
Amazon Nova Premier is the most capable of Amazon’s multimodal models for complex reasoning tasks and for use as the best teacher for distilling custom models.
Step 5 Preview is StepFun's flagship model for agentic work, built on a sparse Mixture-of-Experts architecture (27B active / 600B total parameters). It performs strongly in softwar
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 Amazon: Nova Premier 1.0 to StepFun: Step 5 Preview
Step 5 Preview is StepFun's flagship model for agentic work, built on a sparse Mixture-of-Experts architecture (27B active / 600B total parameters). It performs strongly in softwar Verified P90 latency of 280ms.