How much does Qwen 3.8 Flash cost compared to OpenAI GPT 6.1 Terra (Mapped to OpenAI GPT-4.1 GA) per 1M tokens?

Qwen 3.8 Flash bills $0.42/1M input and $1.89/1M output ($0.042/1M cached read), whereas OpenAI GPT 6.1 Terra (Mapped to OpenAI GPT-4.1 GA) bills $2.00/1M input and $8.00/1M output ($0.5/1M cached read). Choosing Qwen 3.8 Flash saves 79% ($280.20/month per 100M input + 20M output tokens).

How do Qwen 3.8 Flash and OpenAI GPT 6.1 Terra (Mapped to OpenAI GPT-4.1 GA) perform with Context-Mode sandbox compression in Claude Code or Cursor?

Combining Context-Mode 98% tool-output folding (700KB -> 3.6KB) with Etuki 4-block prefix cache pinning reduces 100-session coding agent spend on Qwen 3.8 Flash from $81.06 to $6.62 (-92%), and on OpenAI GPT 6.1 Terra (Mapped to OpenAI GPT-4.1 GA) from $382 to $33.5 (-91%).

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Qwen 3.8 Flash vs OpenAI GPT 6.1 Terra (Mapped to OpenAI GPT-4.1 GA): $0.42 vs $2.00 / 1M Tokens

Switching a 100M input / 20M output monthly workload from OpenAI GPT 6.1 Terra (Mapped to OpenAI GPT-4.1 GA) to Qwen 3.8 Flash saves $280.20/month ($3362.40/year, -79%) on baseline token rates. For streaming responsiveness, Qwen 3.8 Flash leads with a 306ms P90 TTFT (151 tok/s).

Contender A • QWEN

Qwen 3.8 Flash

Standard Input / Output:$0.42 / $1.89

Warm Cache Read / Write:$0.042 / $0.525

Batch API (50% Off):$0.21 / $0.945

Context Window & Cliff:200,000 tokens

P90 TTFT / Throughput:306ms / 151 tok/s

Open Qwen 3.8 Flash 6-Module Audit →

Contender B • 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

Open OpenAI GPT 6.1 Terra (Mapped to OpenAI GPT-4.1 GA) 6-Module Audit →

⚡ 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)	Qwen 3.8 Flash	OpenAI GPT 6.1 Terra (Mapped to OpenAI GPT-4.1 GA)	Architectural Mechanism
Mode A: Direct Raw Tool Output (700 KB)	$81.06	$382.00	47 × Read() dumped into context; hits 200K cliff
Mode B: Context-Mode Sandbox Only (3.6 KB)	$15.12	$60.00	SQLite FTS5 & ctx_execute (98% byte drop, unpinned cache)
Mode C: Context-Mode + Etuki 4-Block Cache Lock	$6.62 (-92%)	$33.50 (-91%)	98% tool stdout folding + 90% warm 0.1x prefix cache hit

Monthly Enterprise Workload TCO: Qwen 3.8 Flash vs OpenAI GPT 6.1 Terra (Mapped to OpenAI GPT-4.1 GA)

Workload Scenario	Qwen 3.8 Flash (Cached)	OpenAI GPT 6.1 Terra (Mapped to OpenAI GPT-4.1 GA) (Cached)	Recommended Routing Winner
① Coding Agent (15M In / 3M Out)	$7.43/mo	$36.00/mo	Qwen 3.8 Flash
② Enterprise RAG (100M In / 15M Out)	$40.11/mo	$200.00/mo	Qwen 3.8 Flash
③ Long-Doc SEC Analysis (250M In / 30M Out)	$86.10/mo	$440.00/mo	Qwen 3.8 Flash
④ Async Batch Pipeline (500M In / 80M Out)	$180.60/mo	$820.00/mo	Qwen 3.8 Flash (50% Batch Discount)