⚡ VERIFIED HEAD-TO-HEAD FINOPS & LATENCY AUDIT • ★ 4.7/5 (390 Reviews)
OpenAI GPT 6.1 Terra (Mapped to OpenAI GPT-4.1 GA) vs DeepSeek-R1 (Reasoner): $2.00 vs $0.55 / 1M Tokens
Switching a 100M input / 20M output monthly workload from OpenAI GPT 6.1 Terra (Mapped to OpenAI GPT-4.1 GA) to DeepSeek-R1 (Reasoner) saves $261.20/month ($3134.40/year, -73%) on baseline token rates. For streaming responsiveness, OpenAI GPT 6.1 Terra (Mapped to OpenAI GPT-4.1 GA) leads with a 410ms P90 TTFT (98 tok/s).
Contender A • OpenAI
OpenAI GPT 6.1 Terra (Mapped to OpenAI GPT-4.1 GA)
Standard Input / Output:$2.00 / $8.00
Warm Cache Read / Write:$0.5 / $2
Batch API (50% Off):$1 / $4
Context Window & Cliff:1,000,000 tokens
P90 TTFT / Throughput:410ms / 98 tok/s
Contender B • DeepSeek Official
DeepSeek-R1 (Reasoner)
Standard Input / Output:$0.55 / $2.19
Warm Cache Read / Write:$0.14 / $0.55
Batch API (50% Off):$0.275 / $1.095
Context Window & Cliff:128,000 tokens
P90 TTFT / Throughput:880ms / 64 tok/s
⚡ CONTEXT-MODE SANDBOX (315KB → 5.4KB) × ETUKI CACHE PINNING BENCHMARKOpen Full Context-Mode Calculator →
Coding Agent TCO (100 Sessions): Raw Tool Output (700KB) vs. Context-Mode + Etuki Prefix Cache
| Execution Mode (100 Agent Sessions) | OpenAI GPT 6.1 Terra (Mapped to OpenAI GPT-4.1 GA) | DeepSeek-R1 (Reasoner) | Architectural Mechanism |
|---|---|---|---|
| Mode A: Direct Raw Tool Output (700 KB) | $382.00 | $105.01 | 47 × Read() dumped into context; hits 200K cliff |
| Mode B: Context-Mode Sandbox Only (3.6 KB) | $60.00 | $16.47 | SQLite FTS5 & ctx_execute (98% byte drop, unpinned cache) |
| Mode C: Context-Mode + Etuki 4-Block Cache Lock | $33.50 (-91%) | $9.22 (-91%) | 98% tool stdout folding + 90% warm 0.1x prefix cache hit |
Monthly Enterprise Workload TCO: OpenAI GPT 6.1 Terra (Mapped to OpenAI GPT-4.1 GA) vs DeepSeek-R1 (Reasoner)
| Workload Scenario | OpenAI GPT 6.1 Terra (Mapped to OpenAI GPT-4.1 GA) (Cached) | DeepSeek-R1 (Reasoner) (Cached) | Recommended Routing Winner |
|---|---|---|---|
| ① Coding Agent (15M In / 3M Out) | $36.00/mo | $9.90/mo | DeepSeek-R1 (Reasoner) |
| ② Enterprise RAG (100M In / 15M Out) | $200.00/mo | $55.05/mo | DeepSeek-R1 (Reasoner) |
| ③ Long-Doc SEC Analysis (250M In / 30M Out) | $440.00/mo | $121.20/mo | DeepSeek-R1 (Reasoner) |
| ④ Async Batch Pipeline (500M In / 80M Out) | $820.00/mo | $225.10/mo | DeepSeek-R1 (Reasoner) (50% Batch Discount) |