Dolphin Dolphin 2.9.2 Qwen2 72B vs Meta Llama Llama 3.1 405B: Live Promos, Pricing, Hidden Fees & Latency
Verified 2026 FinOps benchmark comparing Dolphin Dolphin 2.9.2 Qwen2 72B (cognitivecomputations/dolphin-2.9.2-qwen2-72b) vs Meta Llama Llama 3.1 405B (meta-llama/llama-3.1-405b). Simulate cache read multipliers, context cliffs, MAU bills, and P90 latency.
Dolphin Dolphin 2.9.2 Qwen2 72B (cognitivecomputations/dolphin-2.9.2-qwen2-72b) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for Dolphin Dolphin 2.9.2 Qwen2 72B: Activate ephemeral prefix caching to slash input costs by 90% (down to 0.025/1M) or route via asynchronous Batch API for 50% off standard token rates.
Meta Llama Llama 3.1 405B (meta-llama/llama-3.1-405b) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for Meta Llama Llama 3.1 405B: Activate ephemeral prefix caching to slash input costs by 90% (down to 0.08/1M) or route via asynchronous Batch API for 50% off standard token rates.
In Etuki October 2026 FinOps telemetry comparing Dolphin Dolphin 2.9.2 Qwen2 72B (API ID: cognitivecomputations/dolphin-2.9.2-qwen2-72b) vs Meta Llama Llama 3.1 405B (API ID: meta-llama/llama-3.1-405b), Dolphin Dolphin 2.9.2 Qwen2 72B offers lower standard input pricing at $0.25/1M tokens ($0.75/1M output), while Dolphin Dolphin 2.9.2 Qwen2 72B leads in cached prefix economics at $0.025/1M tokens (90% discount). Dolphin Dolphin 2.9.2 Qwen2 72B achieves a 0ms faster P90 time-to-first-token latency (195ms vs 195ms).
Gateway-synced rate ($0.25/$0.75 per 1M, flat 128K window). Verify upstream provider cache TTL and regional routing before high-volume batch runs.
Gateway-synced rate ($0.8/$0.8 per 1M, flat 128K window). Verify upstream provider cache TTL and regional routing before high-volume batch runs.
| Specification / FinOps Dimension | Dolphin Dolphin 2.9.2 Qwen2 72B | Meta Llama Llama 3.1 405B | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | cognitivecomputations/dolphin-2.9.2-qwen2-72b | meta-llama/llama-3.1-405b | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $0.25 / $0.75 | $0.8 / $0.8 | Dolphin Dolphin 2.9.2 Qwen2 72B |
| Cache Read Price (per 1M) | $0.025/1M (90% Off) | $0.08/1M (90% Off) | Dolphin Dolphin 2.9.2 Qwen2 72B |
| Context Window / Max Output | 128K In / 64K Out | 128K In / 64K Out | Dolphin Dolphin 2.9.2 Qwen2 72B |
| P90 First-Token / Edge Latency | 195ms | 195ms | Dolphin Dolphin 2.9.2 Qwen2 72B (-0ms) |
Dolphin Dolphin 2.9.2 Qwen2 72B
API ID: cognitivecomputations/dolphin-2.9.2-qwen2-72b • OpenRouter SyncedDolphin Dolphin 2.9.2 Qwen2 72B (cognitivecomputations/dolphin-2.9.2-qwen2-72b): OpenRouter gateway-synced model at $0.25/1M input, $0.75/1M output, $0.025/1M cached input (128K context window).
Meta Llama Llama 3.1 405B (meta-llama/llama-3.1-405b): OpenRouter gateway-synced model at $0.8/1M input, $0.8/1M output, $0.08/1M cached input (128K context window).
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 Dolphin Dolphin 2.9.2 Qwen2 72B to Meta Llama Llama 3.1 405B
Meta Llama Llama 3.1 405B (meta-llama/llama-3.1-405b): OpenRouter gateway-synced model at $0.8/1M input, $0.8/1M output, $0.08/1M cached input (128K context window). Verified P90 latency of 195ms.