LLMCost

OpenAI: GPT-5.6 Terra Pro vs ScaleDown: Summarize

On input price, ScaleDown: Summarize is ~50.0× cheaper. Verified 2026-10-21.

OpenAI: GPT-5.6 Terra Pro $2.00/$12.00vsScaleDown: Summarize $0.040/Free

Verdict

On blended price (3:1 input:output), ScaleDown: Summarize is ~150.0× cheaper ($0.040/Free vs $2.00/$12.00 per 1M tokens).

Pricing

Per-million-token list prices, verified 2026-10-21. Green marks the better value.

MetricOpenAI: GPT-5.6 Terra ProScaleDown: Summarize
Input / 1M$2.00$0.040
Output / 1M$12.00Free
Cache read / 1M$0.200—
Blended (3:1)$4.50/1M$0.030/1M
Estimated monthly costOpenAI: GPT-5.6 Terra ProScaleDown: Summarize
Chatbot10,000 reqs · 800/400 tok$64.00$0.32
Coding agent5,000 reqs · 8000/2000 tok$200.00$1.60
RAG pipeline30,000 reqs · 4000/500 tok$420.00$4.80

Plug in your own numbers in the calculator, or paste a real bill into the Bill Shredder.

Specifications & capabilities

MetricOpenAI: GPT-5.6 Terra ProScaleDown: Summarize
Context window1.1M1M
Max output128K4K
Vision input✓✓
Tool calling✓–
Reasoning✓–

Quality

Intelligence Index by Artificial Analysis (independent evaluations, 0–100).

Verified intelligence scores aren't available for both models yet. See the full leaderboard.

Performance

Measured by Artificial Analysis on live endpoints.

Speed measurements aren't available for both models yet.

Provider

Infrastructure metrics for the organizations behind these models.

MetricOpenAIscaledown
Listed endpoints12—
Reliability99.9%—
Avg latency450 ms—
Pricing tiersstandard, batch, provisioned—

Full details: OpenAI: GPT-5.6 Terra Pro pricing · ScaleDown: Summarize pricing