LLMCost

Meta: Llama 3.1 70B Instruct vs OpenAI: GPT-5.6 Sol

On input price, Meta: Llama 3.1 70B Instruct is ~10.0× cheaper. Verified 2026-10-21.

Meta: Llama 3.1 70B Instruct $0.400/$0.400vsOpenAI: GPT-5.6 Sol $4.00/$20.00

Verdict

On blended price (3:1 input:output), Meta: Llama 3.1 70B Instruct is ~20.0× cheaper ($0.400/$0.400 vs $4.00/$20.00 per 1M tokens).

Pricing

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

MetricMeta: Llama 3.1 70B InstructOpenAI: GPT-5.6 Sol
Input / 1M$0.400$4.00
Output / 1M$0.400$20.00
Cache read / 1M—$0.400
Blended (3:1)$0.400/1M$8.00/1M
Estimated monthly costMeta: Llama 3.1 70B InstructOpenAI: GPT-5.6 Sol
Chatbot10,000 reqs · 800/400 tok$4.80$112.00
Coding agent5,000 reqs · 8000/2000 tok$20.00$360.00
RAG pipeline30,000 reqs · 4000/500 tok$54.00$780.00

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

Specifications & capabilities

MetricMeta: Llama 3.1 70B InstructOpenAI: GPT-5.6 Sol
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.

MetricMeta LlamaOpenAI
Listed endpoints2512
Reliability99.5%99.9%
Avg latency420 ms450 ms
Pricing tiersstandard, freestandard, batch, provisioned

Full details: Meta: Llama 3.1 70B Instruct pricing · OpenAI: GPT-5.6 Sol pricing