DeepSeek: DeepSeek V4.1 Flash 1017 vs Anthropic: Claude Sonnet 4.5 (batch): Live Promos, Pricing, Hidden Fees & Latency
DeepSeek: DeepSeek V4.1 Flash 1017 (deepseek/deepseek-v4.1-flash-1017) — Automatic Disk KV Cache (0.075/1M) & Off-Peak Promo
DeepSeek-V4 Pro (1.6T MoE) automatically caches repeated 64-token prompt prefixes on NVMe storage at $0.07/1M input tokens (50% off $0.14 base) with zero code changes required, plus off-peak UTC scheduling discounts.
Anthropic: Claude Sonnet 4.5 (batch) (anthropic/claude-sonnet-4.5:batch) — $25,000 Startup Credits & 50% Cache Promo
Anthropic's Q4 2026 developer promotion combines $25,000 in Claude API credits for early-stage builders with a permanent 20% base price reduction on Opus 5.5 ($4/$20), 0.05x ($0.20/1M) prompt cache reads, and 50% off Batch API processing ($2/$10 with 300K max output).
In Etuki October 2026 FinOps telemetry comparing DeepSeek: DeepSeek V4.1 Flash 1017 (API ID: deepseek/deepseek-v4.1-flash-1017) vs Anthropic: Claude Sonnet 4.5 (batch) (API ID: anthropic/claude-sonnet-4.5:batch), DeepSeek: DeepSeek V4.1 Flash 1017 offers lower standard input pricing at $0.15/1M tokens ($0.6/1M output), while DeepSeek: DeepSeek V4.1 Flash 1017 leads in cached prefix economics at $0.075/1M tokens (50% discount). DeepSeek: DeepSeek V4.1 Flash 1017 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 | DeepSeek: DeepSeek V4.1 Flash 1017 | Anthropic: Claude Sonnet 4.5 (batch) | Verified Advantage |
|---|---|---|---|
| Official Vendor API ID | deepseek/deepseek-v4.1-flash-1017 | anthropic/claude-sonnet-4.5:batch | Pinned Snapshot IDs |
| Standard Input / Output (per 1M) | $0.15 / $0.6 | $1.5 / $7.5 | DeepSeek: DeepSeek V4.1 Flash 1017 |
| Cache Read Price (per 1M) | $0.075/1M (50% Off) | $0.75/1M (50% Off) | DeepSeek: DeepSeek V4.1 Flash 1017 |
| Context Window / Max Output | 1024K In / 384K Out | 977K In / 63K Out | DeepSeek: DeepSeek V4.1 Flash 1017 |
| P90 First-Token / Edge Latency | 280ms | 280ms | DeepSeek: DeepSeek V4.1 Flash 1017 (-0ms) |
DeepSeek V4.1 Flash 1017 is the October 17, 2026 snapshot of DeepSeek V4.1 Flash, served by DeepSeek under the `deepseek-flash` API model name. V4.1 Flash is a sparse mixture-of-ex
Claude Sonnet 4.5 is Anthropic’s most advanced Sonnet model to date, optimized for real-world agents and coding workflows. It delivers state-of-the-art performance on coding benchm
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 DeepSeek: DeepSeek V4.1 Flash 1017 to Anthropic: Claude Sonnet 4.5 (batch)
Claude Sonnet 4.5 is Anthropic’s most advanced Sonnet model to date, optimized for real-world agents and coding workflows. It delivers state-of-the-art performance on coding benchm Verified P90 latency of 280ms.