Magnum v4 72B vs Perplexity: Sonar Pro: Live Promos, Pricing, Hidden Fees & Latency
Verified 2026 FinOps benchmark comparing Magnum v4 72B (anthracite-org/magnum-v4-72b) vs Perplexity: Sonar Pro (perplexity/sonar-pro). Simulate cache read multipliers, context cliffs, MAU bills, and P90 latency.
Magnum v4 72B (anthracite-org/magnum-v4-72b) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for Magnum v4 72B: 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.
Perplexity: Sonar Pro (perplexity/sonar-pro) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for Perplexity: Sonar Pro: Activate ephemeral prefix caching to slash input costs by 50% (down to $1.5/1M) or route via asynchronous Batch API for 50% off standard token rates.
In Etuki October 2026 FinOps telemetry comparing Magnum v4 72B (API ID: anthracite-org/magnum-v4-72b) vs Perplexity: Sonar Pro (API ID: perplexity/sonar-pro), Magnum v4 72B offers lower standard input pricing at $2.5/1M tokens ($5/1M output), while Magnum v4 72B leads in cached prefix economics at $1.25/1M tokens (50% discount). Magnum v4 72B 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 | Magnum v4 72B | Perplexity: Sonar Pro | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | anthracite-org/magnum-v4-72b | perplexity/sonar-pro | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $2.5 / $5 | $3 / $15 | Magnum v4 72B |
| Cache Read Price (per 1M) | $1.25/1M (50% Off) | $1.5/1M (50% Off) | Magnum v4 72B |
| Context Window / Max Output | 32K In / 4K Out | 195K In / 8K Out | Perplexity: Sonar Pro |
| P90 First-Token / Edge Latency | 280ms | 280ms | Magnum v4 72B (-0ms) |
This is a series of models designed to replicate the prose quality of the Claude 3 models, specifically Sonnet(https://openrouter.ai/anthropic/claude-3.5-sonnet) and Opus(https://o
Note: Sonar Pro pricing includes Perplexity search pricing. See [details here](https://docs.perplexity.ai/guides/pricing#detailed-pricing-breakdown-for-sonar-reasoning-pro-and-sona
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 Magnum v4 72B to Perplexity: Sonar Pro
Note: Sonar Pro pricing includes Perplexity search pricing. See [details here](https://docs.perplexity.ai/guides/pricing#detailed-pricing-breakdown-for-sonar-reasoning-pro-and-sona Verified P90 latency of 280ms.