How much does OpenAI GPT 6.1 Terra (Mapped to OpenAI GPT-4.1 GA) cost compared to GPT 6 Astra per 1M tokens?

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), whereas GPT 6 Astra bills $0.59/1M input and $2.65/1M output ($0.059/1M cached read). Choosing GPT 6 Astra saves 71% ($248.00/month per 100M input + 20M output tokens).

How do OpenAI GPT 6.1 Terra (Mapped to OpenAI GPT-4.1 GA) and GPT 6 Astra 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 OpenAI GPT 6.1 Terra (Mapped to OpenAI GPT-4.1 GA) from $382 to $33.5 (-91%), and on GPT 6 Astra from $113.85 to $9.28 (-92%).

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OpenAI GPT 6.1 Terra (Mapped to OpenAI GPT-4.1 GA) vs GPT 6 Astra: $2.00 vs $0.59 / 1M Tokens

Switching a 100M input / 20M output monthly workload from OpenAI GPT 6.1 Terra (Mapped to OpenAI GPT-4.1 GA) to GPT 6 Astra saves $248.00/month ($2976.00/year, -71%) 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

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

Contender B • GPT

GPT 6 Astra

Standard Input / Output:$0.59 / $2.65

Warm Cache Read / Write:$0.059 / $0.737

Batch API (50% Off):$0.295 / $1.325

Context Window & Cliff:128,000 tokens

P90 TTFT / Throughput:656ms / 87 tok/s

Open GPT 6 Astra 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)	OpenAI GPT 6.1 Terra (Mapped to OpenAI GPT-4.1 GA)	GPT 6 Astra	Architectural Mechanism
Mode A: Direct Raw Tool Output (700 KB)	$382.00	$113.85	47 × Read() dumped into context; hits 200K cliff
Mode B: Context-Mode Sandbox Only (3.6 KB)	$60.00	$21.22	SQLite FTS5 & ctx_execute (98% byte drop, unpinned cache)
Mode C: Context-Mode + Etuki 4-Block Cache Lock	$33.50 (-91%)	$9.28 (-92%)	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 GPT 6 Astra

Workload Scenario	OpenAI GPT 6.1 Terra (Mapped to OpenAI GPT-4.1 GA) (Cached)	GPT 6 Astra (Cached)	Recommended Routing Winner
① Coding Agent (15M In / 3M Out)	$36.00/mo	$10.43/mo	GPT 6 Astra
② Enterprise RAG (100M In / 15M Out)	$200.00/mo	$56.27/mo	GPT 6 Astra
③ Long-Doc SEC Analysis (250M In / 30M Out)	$440.00/mo	$120.80/mo	GPT 6 Astra
④ Async Batch Pipeline (500M In / 80M Out)	$820.00/mo	$253.50/mo	GPT 6 Astra (50% Batch Discount)