Nex-N2-Pro vs GPT-5.4 Nano
Nex-N2-Pro at $0.287 in and $1.15 out and GPT-5.4 Nano at $0.230 in and $1.44 out — per million tokens, from the same wallet.
Nex-N2-Pro
Nex AGI
0.24¢
for a client proposal
$0.287 in · $1.15 out / 1M
262K context · released 2 months ago
GPT-5.4 Nano
OpenAI
0.23¢
for a client proposal
$0.230 in · $1.44 out / 1M
400K context · released 5 months ago
Asking all both at once — identical prompt, identical context — costs about 0.47¢ for a typical client proposal.
At a glance
- Cheapest input: GPT-5.4 Nano at $0.230 per million tokens.
- Cheapest output: Nex-N2-Pro at $1.15 per million tokens.
- Largest context: GPT-5.4 Nano at 400K tokens — about 570 pages.
Cost per task
Estimated totals at the rates above. Solid bar is input, lighter bar is output.
Quick code fix
2K in · 500 outDraft a client proposal from notes
5K in · 800 outContext-heavy session (Alyph workspace)
155K in · 4K outAnalyze a 50-page legal contract
35K in · 1K outLarge architecture refactor
250K in · 3K outSolid part of each bar is input tokens, the lighter part is output. Models that don’t fit a task are marked instead of priced.
Cost vs Token Amount
Drag the slider to adjust the split between input and output workload.
Adjust the ratio slider to change how output tokens influence the final price for equivalent workloads.
Pricing
Specs
Try it with real numbers
2K tokens in · 500 tokens out.
All 2, same prompt and context: 0.23¢. That is the entire cost of the comparison.
Your $5 welcome credit covers about 2,147 of these.
Which should you pick?
For long documents, GPT-5.4 Nano has the largest context window here — 400K tokens.
On price, GPT-5.4 Nano is the cheapest of the two on a typical task, at about 0.23¢.
Or don’t pick. Send the identical prompt to all both, read the answers side by side, and keep the winner. How to run a fair bake-off →
Questions, answered
Which is cheaper, Nex-N2-Pro or GPT-5.4 Nano?
Which has the largest context window?
Can I run Nex-N2-Pro and GPT-5.4 Nano side by side on Alyph?
Ask both at once
Identical prompt, identical context, answers side by side — about 0.47¢ for a typical client proposal. Free to start, with $5 of credit.