LLMCost

Nous: Hermes 3 70B Instruct vs OpenAI: GPT-5.6 Terra Pro

On input price, Nous: Hermes 3 70B Instruct is ~2.9× cheaper. Verified 2026-10-21.

Nous: Hermes 3 70B Instruct $0.700/$0.700vsOpenAI: GPT-5.6 Terra Pro $2.00/$12.00

Verdict

On blended price (3:1 input:output), Nous: Hermes 3 70B Instruct is ~6.4× cheaper ($0.700/$0.700 vs $2.00/$12.00 per 1M tokens).

Pricing

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

MetricNous: Hermes 3 70B InstructOpenAI: GPT-5.6 Terra Pro
Input / 1M$0.700$2.00
Output / 1M$0.700$12.00
Cache read / 1M—$0.200
Blended (3:1)$0.700/1M$4.50/1M
Estimated monthly costNous: Hermes 3 70B InstructOpenAI: GPT-5.6 Terra Pro
Chatbot10,000 reqs · 800/400 tok$8.40$64.00
Coding agent5,000 reqs · 8000/2000 tok$35.00$200.00
RAG pipeline30,000 reqs · 4000/500 tok$94.50$420.00

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

Specifications & capabilities

MetricNous: Hermes 3 70B InstructOpenAI: GPT-5.6 Terra Pro
Context window131K1.1M
Max output16K128K
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.

MetricnousresearchOpenAI
Listed endpoints—12
Reliability—99.9%
Avg latency—450 ms
Pricing tiers—standard, batch, provisioned

Full details: Nous: Hermes 3 70B Instruct pricing · OpenAI: GPT-5.6 Terra Pro pricing