GPT-5.5 Pro vs Llama Guard 4 12B

Price, context window & benchmark comparison

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GPT-5.5 Pro

OpenAI
$30.00 / $180.00
Input / Output · per 1M tokens
VS
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Llama Guard 4 12B

Meta Llama
$0.18 / $0.18
Input / Output · per 1M tokens
Compare different models
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Verdict: Llama Guard 4 12B is 375.0× cheaper than GPT-5.5 Pro on a typical 3:1 input/output mix. GPT-5.5 Pro has the larger context window (1.1M vs 164K).
GPT-5.5 ProLlama Guard 4 12B
Input price / 1M$30.00$0.18
Output price / 1M$180.00$0.18
Blended price (3:1)$67.50$0.18
Cached input / 1M
Context window1.1M164K
Max output128K16K
Intelligence index
Coding index
Providers1
Best provider uptime (30m)100.0%
Vision inputYesYes
ReasoningYesNo
Tool callingYesNo
Released2026-04-242025-04-30
Retirement

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FAQ

Which is cheaper, GPT-5.5 Pro or Llama Guard 4 12B?

Llama Guard 4 12B is 375.0× cheaper than GPT-5.5 Pro on a typical 3:1 input/output mix.

GPT-5.5 Pro vs Llama Guard 4 12B: which has a bigger context window?

GPT-5.5 Pro: 1,050,000 tokens. Llama Guard 4 12B: 163,840 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: GPT-5.5 Pro ≈ $150,000, Llama Guard 4 12B ≈ $450.00.

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