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GPT-5.4 Nano vs Llama 3.1 8B Instruct

List-price comparison ·GPT-5.4 Nano details ·Llama 3.1 8B Instruct details

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For a typical workload (100,000 requests / mo), Llama 3.1 8B Instruct is the cheapest — 88% less than the priciest here ($9.20/mo vs $74.00/mo).

 GPT-5.4 NanoLlama 3.1 8B Instruct
Input / 1M tokens$0.200$0.050
Output / 1M tokens$1.25$0.080
Typical request (1,200 in + 400 out)$0.0007$0.0001
Context window400k tokens131,072 tokens
Max output128k tokens131,072 tokens
Quality score62/10058/100
TierFlashFlash
ProviderOpenAIMeta

Projected monthly cost

Requests / moGPT-5.4 NanoLlama 3.1 8B Instruct
1,000$0.74$0.092
10,000$7.40$0.92
100,000$74.00$9.20
Open all in the calculator — adjust volume and token counts →

GPT-5.4 Nano

Cheapest OpenAI option for high-throughput classification, tagging, and routing — ideal as a first-pass filter before a stronger model.

Limited reasoning depth means it should be treated as a triage layer, not a final answer source, for anything business-critical.

Llama 3.1 8B Instruct

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Vendor list rates · per-request examples assume 1,200 input + 400 output tokens.