OpenChat Openchat 3.6 8B vs DeepSeek Deepseek Prover V2: Live Promos, Pricing, Hidden Fees & Latency
Verified 2026 FinOps benchmark comparing OpenChat Openchat 3.6 8B (openchat/openchat-3.6-8b) vs DeepSeek Deepseek Prover V2 (deepseek/deepseek-prover-v2). Simulate cache read multipliers, context cliffs, MAU bills, and P90 latency.
OpenChat Openchat 3.6 8B (openchat/openchat-3.6-8b) 2026 Q4 Developer Promotion & Volume Credits
Official 2026 Q4 promotion for OpenChat Openchat 3.6 8B: Activate ephemeral prefix caching to slash input costs by 90% (down to 0.003/1M) or route via asynchronous Batch API for 50% off standard token rates.
DeepSeek Deepseek Prover V2 (deepseek/deepseek-prover-v2) — Automatic Disk KV Cache (0.05/1M) & Off-Peak Promo
DeepSeek-V4 Pro (1.6T MoE) automatically caches repeated 64-token prompt prefixes on NVMe storage at $0.022/1M off-peak input tokens (vs $0.66 off-peak base) with zero code changes required, plus off-peak UTC scheduling discounts.
In Etuki October 2026 FinOps telemetry comparing OpenChat Openchat 3.6 8B (API ID: openchat/openchat-3.6-8b) vs DeepSeek Deepseek Prover V2 (API ID: deepseek/deepseek-prover-v2), OpenChat Openchat 3.6 8B offers lower standard input pricing at $0.03/1M tokens ($0.06/1M output), while OpenChat Openchat 3.6 8B leads in cached prefix economics at $0.003/1M tokens (90% discount). OpenChat Openchat 3.6 8B achieves a 0ms faster P90 time-to-first-token latency (195ms vs 195ms).
Gateway-synced rate ($0.03/$0.06 per 1M, flat 32K window). Verify upstream provider cache TTL and regional routing before high-volume batch runs.
Gateway-synced rate ($0.5/$1.5 per 1M, flat 128K window). Verify upstream provider cache TTL and regional routing before high-volume batch runs.
| Specification / FinOps Dimension | OpenChat Openchat 3.6 8B | DeepSeek Deepseek Prover V2 | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | openchat/openchat-3.6-8b | deepseek/deepseek-prover-v2 | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $0.03 / $0.06 | $0.5 / $1.5 | OpenChat Openchat 3.6 8B |
| Cache Read Price (per 1M) | $0.003/1M (90% Off) | $0.05/1M (90% Off) | OpenChat Openchat 3.6 8B |
| Context Window / Max Output | 32K In / 64K Out | 128K In / 64K Out | OpenChat Openchat 3.6 8B |
| P90 First-Token / Edge Latency | 195ms | 195ms | OpenChat Openchat 3.6 8B (-0ms) |
OpenChat Openchat 3.6 8B (openchat/openchat-3.6-8b): OpenRouter gateway-synced model at $0.03/1M input, $0.06/1M output, $0.003/1M cached input (32K context window).
DeepSeek Deepseek Prover V2 (deepseek/deepseek-prover-v2): OpenRouter gateway-synced model at $0.5/1M input, $1.5/1M output, $0.05/1M 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 OpenChat Openchat 3.6 8B to DeepSeek Deepseek Prover V2
DeepSeek Deepseek Prover V2 (deepseek/deepseek-prover-v2): OpenRouter gateway-synced model at $0.5/1M input, $1.5/1M output, $0.05/1M cached input (128K context window). Verified P90 latency of 195ms.