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OpenAI: GPT-5.6 Terra Pro vs OpenAI: gpt-oss-safeguard-20b

On input price, OpenAI: gpt-oss-safeguard-20b is ~26.7× cheaper. Verified 2026-10-21.

OpenAI: GPT-5.6 Terra Pro $2.00/$12.00vsOpenAI: gpt-oss-safeguard-20b $0.075/$0.300

Verdict

On blended price (3:1 input:output), OpenAI: gpt-oss-safeguard-20b is ~34.3× cheaper ($0.075/$0.300 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 ProOpenAI: gpt-oss-safeguard-20b
Input / 1M$2.00$0.075
Output / 1M$12.00$0.300
Cache read / 1M$0.200$0.037
Blended (3:1)$4.50/1M$0.131/1M
Estimated monthly costOpenAI: GPT-5.6 Terra ProOpenAI: gpt-oss-safeguard-20b
Chatbot10,000 reqs · 800/400 tok$64.00$1.80
Coding agent5,000 reqs · 8000/2000 tok$200.00$6.00
RAG pipeline30,000 reqs · 4000/500 tok$420.00$13.50

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

Specifications & capabilities

MetricOpenAI: GPT-5.6 Terra ProOpenAI: gpt-oss-safeguard-20b
Context window1.1M131K
Max output128K66K
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.

MetricOpenAIOpenAI
Listed endpoints1212
Reliability99.9%99.9%
Avg latency450 ms450 ms
Pricing tiersstandard, batch, provisionedstandard, batch, provisioned

Full details: OpenAI: GPT-5.6 Terra Pro pricing · OpenAI: gpt-oss-safeguard-20b pricing