Is Meta Llama 3.1 8B Instruct or OpenAI GPT-5 Nano cheaper?

Meta Llama 3.1 8B Instruct is cheaper on output tokens ($0.05 vs $0.40 per 1M).

Which has the larger context window, Meta Llama 3.1 8B Instruct or OpenAI GPT-5 Nano?

OpenAI GPT-5 Nano has the larger context window (400K tokens).

Meta Llama 3.1 8B Instruct vs OpenAI GPT-5 Nano

Meta Llama 3.1 8B Instruct is cheaper on output tokens, while OpenAI GPT-5 Nano offers a larger context window. Choose Meta Llama 3.1 8B Instruct or OpenAI GPT-5 Nano based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Meta Llama 3.1 8B Instruct	OpenAI GPT-5 Nano
Provider	Helicone	Helicone
Input / 1M tokens	$0.02	$0.05
Output / 1M tokens	$0.05	$0.40
Context window	16K	400K
Parameters	—	—
Open weights	No	No
Released	Jul 2024	Jan 2025

Meta Llama 3.1 8B Instruct details →OpenAI GPT-5 Nano details →

FAQ

Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.