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Mistral: Mixtral 8x22B Instruct vs OpenAI: GPT-5.6 Terra Pro

On input price, Mistral: Mixtral 8x22B Instruct is ~1.0× cheaper. Verified 2026-10-21.

Mistral: Mixtral 8x22B Instruct $2.00/$6.00vsOpenAI: GPT-5.6 Terra Pro $2.00/$12.00

Verdict

On blended price (3:1 input:output), Mistral: Mixtral 8x22B Instruct is ~1.5× cheaper ($2.00/$6.00 vs $2.00/$12.00 per 1M tokens).

Pricing

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

MetricMistral: Mixtral 8x22B InstructOpenAI: GPT-5.6 Terra Pro
Input / 1M$2.00$2.00
Output / 1M$6.00$12.00
Cache read / 1M$0.200$0.200
Blended (3:1)$3.00/1M$4.50/1M
Estimated monthly costMistral: Mixtral 8x22B InstructOpenAI: GPT-5.6 Terra Pro
Chatbot10,000 reqs · 800/400 tok$40.00$64.00
Coding agent5,000 reqs · 8000/2000 tok$140.00$200.00
RAG pipeline30,000 reqs · 4000/500 tok$330.00$420.00

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

Specifications & capabilities

MetricMistral: Mixtral 8x22B InstructOpenAI: GPT-5.6 Terra Pro
Context window66K1.1M
Max output52K128K
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.

MetricMistral AIOpenAI
Listed endpoints1012
Reliability99.5%99.9%
Avg latency400 ms450 ms
Pricing tiersstandard, freestandard, batch, provisioned

Full details: Mistral: Mixtral 8x22B Instruct pricing · OpenAI: GPT-5.6 Terra Pro pricing