Proprietary Mini vs Open-Weight MoE
DeepSeek V3 (0324) Saves 46%
Synced 2026-10-30
GPT-4.1 Mini (75% Cache Discount) vs DeepSeek V3 (0324) API Cost Calculator
Side-by-side FinOps unit economics audit comparing GPT-4.1 Mini (75% Cache Discount) (OpenAI) against DeepSeek V3 (0324) (DeepInfra). Switching or hybrid-routing 80% of traffic to DeepSeek V3 (0324) cuts blended token spend by 46% and saves $4,349/mo ($52,186/yr) at 10,000 DAU.
Cost Efficiency Winner
DeepSeek V3 (0324)
$0.378/1M blended tokens (46% lower than GPT-4.1 Mini (75% Cache Discount) at $0.70/1M)
10,000 DAU Monthly Delta
$4,349/mo
Saves $52,186/year on 12.6B input + 2.88B output tokens/mo
Throughput & Latency Winner
GPT-4.1 Mini (75% Cache Discount)
1. Side-by-Side Token Pricing, Context Window & Speed Matrix
Exact API pricing per 1 Million tokens (Input, Output, and Prompt Cache Read), maximum context window, and real-world streaming throughput.
| FinOps Metric | GPT-4.1 Mini (75% Cache Discount) (OpenAI) | DeepSeek V3 (0324) (DeepInfra) | Arbitrage Advantage |
|---|---|---|---|
| Input Price (per 1M tokens) | $0.40 / 1M | $0.24 / 1M | DeepSeek V3 (0324) (1.7x cheaper) |
| Output Price (per 1M tokens) | $1.60 / 1M | $0.79 / 1M | DeepSeek V3 (0324) (2.0x cheaper) |
| Cached Input Read (per 1M) | $0.10 / 1M | $0.07 / 1M | Prompt Cache Hit Discount Ready |
| Blended 3:1 RAG Rate (per 1M) | $0.70 / 1M | $0.378 / 1M | 46% savings with DeepSeek V3 (0324) |
| Context Window / Max Output | 1.0M (1,047,576) / 33K out | 164K (163,840) / 115K out | GPT-4.1 Mini (75% Cache Discount) larger context |
| Streaming Speed & TTFT | 145 tok/s (215ms TTFT) | 92 tok/s (360ms TTFT) | GPT-4.1 Mini (75% Cache Discount) faster generation |
| Capabilities (Tools / Vision / Cache) | Tools: Yes · Vision: Yes · Cache: Yes | Tools: Yes · Vision: No · Cache: Yes | JSON Mode: Both Supported |
2. Monthly SaaS Cloud Bill Simulation (1,000 DAU / 10,000 DAU / 50,000 DAU)
Simulated monthly API spend for a production AI SaaS application (12 requests per active user/day, 3,500 input tokens + 800 output tokens per turn, 30 days/month).
| SaaS Scale Tier | Monthly Token Volume | GPT-4.1 Mini (75% Cache Discount) Monthly Bill | DeepSeek V3 (0324) Monthly Bill | Monthly Savings (DeepSeek V3 (0324)) |
|---|---|---|---|---|
| 1,000 DAU (Seed / MVP) | 1.26B in / 288M out | $964.80/mo | $529.92/mo | Save $434.88/mo |
| 10,000 DAU (Growth SaaS) | 12.6B in / 2.88B out | $9,648/mo | $5,299/mo | Save $4,349/mo ($52,186/yr) |
| 50,000 DAU (Enterprise Scale) | 63.0B in / 14.4B out | $48,240/mo | $26,496/mo | Save $21,744/mo |
3. Prompt Caching Savings Math (At 10,000 DAU Workload)
Long system prompts, RAG document context, and multi-turn agent histories qualify for automatic or explicit prompt caching. Here is how cache hit rates change your monthly cloud bill:
| Prompt Cache Hit Rate | GPT-4.1 Mini (75% Cache Discount) (Read @ $0.10/1M) | DeepSeek V3 (0324) (Read @ $0.07/1M) | Combined Hybrid Router + 75% Cache |
|---|---|---|---|
| 0% Cache Hit (Cold Prompts) | $9,648/mo | $5,299/mo | $6,169/mo |
| 50% Cache Hit (Standard Chat) | $7,758/mo | $4,228/mo | $4,934/mo |
| 75% Cache Hit (Production Agent/RAG) | $6,813/mo | $3,693/mo | $4,317/mo |
| 90% Cache Hit (Heavy Document Context) | $6,246/mo | $3,371/mo | $3,946/mo |
4. Multi-Provider Host Arbitrage & Latency Disparity Table (Cost vs. <400ms TTFT SLA)
Don't overpay default gateway markups or suffer peak-hour latency spikes. Compare verified inference hosts for both GPT-4.1 Mini (75% Cache Discount) and DeepSeek V3 (0324) anchored by Cost-per-1M Tokens vs. Time-to-First-Token (TTFT < 400ms SLA):
| Model | Inference Host / Gateway | Input / 1M | Output / 1M | Cache Read / 1M | TTFT Latency & SLA | Throughput | Deploy / Credits Link |
|---|---|---|---|---|---|---|---|
| DeepSeek V3 (0324) | DigitalOcean GPU Droplets ($200 Free Credit) #1 Smart Router Pick | $0.24 | $0.79 | $0.07 | 246ms <400ms SLA ✓ | 114 tok/s | Deploy ($200 Free 60-Day Cloud Credit) → |
| DeepSeek V3 (0324) | Vultr Cloud GPU ($300 Free Credit) | $0.24 | $0.79 | $0.07 | 250ms <400ms SLA ✓ | 112 tok/s | Deploy ($300 Free GPU Cloud Credit) → |
| DeepSeek V3 (0324) | RunPod Serverless vLLM ($5–$500 Bonus) | $0.24 | $0.79 | $0.07 | 262ms <400ms SLA ✓ | 107 tok/s | Deploy ($5–$500 Free Bonus Credit) → |
| DeepSeek V3 (0324) | DeepInfra (US Zero-Log) | $0.24 | $0.79 | $0.07 | 304ms <400ms SLA ✓ | 92 tok/s | Deploy (Get $50 Free API Credits) → |
| DeepSeek V3 (0324) | DeepSeek Official (Off-Peak 50%) | $0.27 | $1.10 | $0.07 | 431ms Batch/Async | 65 tok/s | Deploy (US-Hosted Zero-Logging via DeepInfra) → |
| DeepSeek V3 (0324) | Fireworks AI (Turbo) | $0.38 | $0.88 | $0.19 | 207ms <400ms SLA ✓ | 135 tok/s | Deploy ($50 Free FireAttention Credits) → |
| DeepSeek V3 (0324) | Together AI | $0.40 | $0.89 | $0.20 | 286ms <400ms SLA ✓ | 98 tok/s | Deploy ($25 Free Inference Credits) → |
| GPT-4.1 Mini (75% Cache Discount) | OpenAI Direct | $0.40 | $1.60 | $0.10 | 193ms <400ms SLA ✓ | 145 tok/s | Deploy (Route with 0% Markup Fallback) → |
| GPT-4.1 Mini (75% Cache Discount) | OpenRouter | $0.40 | $1.60 | $0.10 | 200ms <400ms SLA ✓ | 140 tok/s | Deploy (Unified API for 470+ Models) → |
⚡ Smart Router Disparity Anchor: Routing 80% of turns to DigitalOcean GPU Droplets ($200 Free Credit) saves 46% while keeping Time-to-First-Token under the 400ms real-time UX threshold.
5. Frequently Asked Questions (GPT-4.1 Mini (75% Cache Discount) vs DeepSeek V3 (0324))
Is GPT-4.1 Mini (75% Cache Discount) or DeepSeek V3 (0324) cheaper per 1M tokens in production?
DeepSeek V3 (0324) is 46% cheaper on a blended 3:1 input-to-output production workload ($0.378/1M blended vs $0.70/1M for GPT-4.1 Mini (75% Cache Discount)). GPT-4.1 Mini (75% Cache Discount) charges $0.40/1M input and $1.60/1M output, while DeepSeek V3 (0324) charges $0.24/1M input and $0.79/1M output.
How much does GPT-4.1 Mini (75% Cache Discount) vs DeepSeek V3 (0324) cost at 10,000 Daily Active Users (DAU)?
At 10,000 DAU (360,000 requests/day at 3,500 input + 800 output tokens), GPT-4.1 Mini (75% Cache Discount) costs $9,648/month uncached ($6,813/mo with 75% prompt cache hits), whereas DeepSeek V3 (0324) costs $5,299/month uncached ($3,693/mo with 75% prompt cache hits). Routing to DeepSeek V3 (0324) saves $4,349/month ($52,186/year).
How much does Prompt Caching save on GPT-4.1 Mini (75% Cache Discount) vs DeepSeek V3 (0324)?
GPT-4.1 Mini (75% Cache Discount) offers cached input reads at $0.10/1M tokens, while DeepSeek V3 (0324) offers cached reads at $0.07/1M tokens. At a 75% system-prompt/RAG cache hit rate, GPT-4.1 Mini (75% Cache Discount) monthly spend drops from $9,648 to $6,813, and DeepSeek V3 (0324) drops from $5,299 to $3,693.
Which model has faster token generation speed and larger context: GPT-4.1 Mini (75% Cache Discount) or DeepSeek V3 (0324)?
GPT-4.1 Mini (75% Cache Discount) delivers higher throughput at 145 tokens/sec (TTFT 215ms) compared to 92 tokens/sec. For context window, GPT-4.1 Mini (75% Cache Discount) supports 1.0M tokens (1,047,576) while DeepSeek V3 (0324) supports 164K tokens (163,840).
6. Related FinOps Comparisons & Model Calculators
GPT-4.1 Mini (75% Cache Discount) Pricing Calculator
Full host arbitrage & DAU cost breakdown →
DeepSeek V3 (0324) Pricing Calculator
Full host arbitrage & DAU cost breakdown →
Claude 3.7 Sonnet vs DeepSeek V3 (0324)
Save 94% ($75,701/mo @ 10K DAU) →
GPT-4.1 Mini (75% Cache Discount) vs GPT-4o Mini
Save 63% ($6,030/mo @ 10K DAU) →
DeepSeek V3 (0324) vs GPT-4o
Save 91% ($55,001/mo @ 10K DAU) →
Llama 4 Maverick (17B-128E MoE) vs DeepSeek V3 (0324)
Save 30% ($1,494/mo @ 10K DAU) →
GPT-4.1 (1M Context Frontier) vs DeepSeek V3 (0324)
Save 89% ($42,941/mo @ 10K DAU) →
GPT-4.1 Mini (75% Cache Discount) vs Gemini 2.0 Flash
Save 75% ($7,236/mo @ 10K DAU) →