Reka Flash 3 vs Perplexity: Sonar Pro Search: Live Promos, Pricing, Hidden Fees & Latency
Verified 2026 FinOps benchmark comparing Reka Flash 3 (rekaai/reka-flash-3) vs Perplexity: Sonar Pro Search (perplexity/sonar-pro-search). Simulate cache read multipliers, context cliffs, MAU bills, and P90 latency.
Reka Flash 3 (rekaai/reka-flash-3) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for Reka Flash 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.
Perplexity: Sonar Pro Search (perplexity/sonar-pro-search) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for Perplexity: Sonar Pro Search: 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 Reka Flash 3 (API ID: rekaai/reka-flash-3) vs Perplexity: Sonar Pro Search (API ID: perplexity/sonar-pro-search), Reka Flash 3 offers lower standard input pricing at $0.1/1M tokens ($0.2/1M output), while Reka Flash 3 leads in cached prefix economics at $0.05/1M tokens (50% discount). Reka Flash 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 | Reka Flash 3 | Perplexity: Sonar Pro Search | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | rekaai/reka-flash-3 | perplexity/sonar-pro-search | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $0.1 / $0.2 | $3 / $15 | Reka Flash 3 |
| Cache Read Price (per 1M) | $0.05/1M (50% Off) | $1.5/1M (50% Off) | Reka Flash 3 |
| Context Window / Max Output | 64K In / 58K Out | 195K In / 8K Out | Reka Flash 3 |
| P90 First-Token / Edge Latency | 280ms | 280ms | Reka Flash 3 (-0ms) |
Reka Flash 3 is a general-purpose, instruction-tuned large language model with 21 billion parameters, developed by Reka. It excels at general chat, coding tasks, instruction-follow
Exclusively available on the OpenRouter API, Sonar Pro's new Pro Search mode is Perplexity's most advanced agentic search system. It is designed for deeper reasoning and analysis.
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 Reka Flash 3 to Perplexity: Sonar Pro Search
Exclusively available on the OpenRouter API, Sonar Pro's new Pro Search mode is Perplexity's most advanced agentic search system. It is designed for deeper reasoning and analysis. Verified P90 latency of 280ms.