Gemini 3.1 Pro preview vs Llama 3.3 70B Instruct

Name: Llama 3.3 70B Instruct
Brand: Azure AI Foundry
Price: 0.710000 USD

Gemini 3.1 Pro preview vs Llama 3.3 70B Instruct: Llama 3.3 70B Instruct is cheaper by 94% on average. Gemini 3.1 Pro preview from Google Vertex AI (1,048,576-token context, reasoning, tool calls) vs. Llama 3.3 70B Instruct from Azure AI Foundry (128,000-token context, tool calls). Use Agent Command Center to A/B both in shadow mode and pick the winner per workload.

Side-by-side cost

Live workload comparison

Same workload run through both models. The cheaper one is highlighted.

Input tokens / request3,000

01,048,576

Output tokens / request400

065,536

Requests / day5,000

01,000,000

Gemini 3.1 Pro preview

Google Vertex AI

$1,644/mo

Input $2.00/M · Output $12.00/M

Llama 3.3 70B InstructCheaper

Azure AI Foundry

$367/mo

Input $0.710/M · Output $0.710/M

At this workload, Llama 3.3 70B Instruct is 78% cheaper than Gemini 3.1 Pro preview — a savings of $1,276/month ($15,315/year).

Production recipe — Agent Command Center

strategy: cost-optimized
primary:
  model: llama-3-3-70b-instruct
  provider: azure-ai-foundry
fallback:
  model: gemini-3-1-pro-preview
  provider: vertex-ai
shadow: { sample_rate: 0.05 }   # mirror 5% of traffic to compare quality live

Get started free →Routing docs ↗

	Gemini 3.1 Pro preview Google Vertex AI	Llama 3.3 70B Instruct Azure AI Foundry
Input price	$2.00/M	$0.710/M
Output price	$12.00/M	$0.710/M
Context window	1,048,576	128,000
Max output	65,536	2,048
Function calling	✓	✓
Vision	✓	—
Audio input	✓	—
Reasoning	✓	—
Prompt caching	✓	—
Structured output	✓	—
Pricing verified	May 12, 2026	May 12, 2026