All models

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.

N

Nex-N2-Pro

Nex AGI

0.24¢

for a client proposal

$0.287 in · $1.15 out / 1M

262K context · released 2 months ago

Full page →

GPT-5.4 Nano

OpenAI

0.23¢

for a client proposal

$0.230 in · $1.44 out / 1M

400K context · released 5 months ago

Full page →

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 out
Nex-N2-Pro
0.11¢
GPT-5.4 Nano
0.12¢

Draft a client proposal from notes

5K in · 800 out
Nex-N2-Pro
0.24¢
GPT-5.4 Nano
0.23¢

Context-heavy session (Alyph workspace)

155K in · 4K out
Nex-N2-Pro
4.9¢
GPT-5.4 Nano
4.1¢

Analyze a 50-page legal contract

35K in · 1K out
Nex-N2-Pro
1.1¢
GPT-5.4 Nano
0.95¢

Large architecture refactor

250K in · 3K out
Nex-N2-Pro
$0.08
GPT-5.4 Nano
$0.06

Solid 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.

80% Input20% Output
free$0.24$0.470 tokens250k500k750k1000k
Nex-N2-Pro
GPT-5.4 Nano

Adjust the ratio slider to change how output tokens influence the final price for equivalent workloads.

Pricing

Nex-N2-Pro
GPT-5.4 Nano
Input / 1M tokens
$0.287
$0.230
Output / 1M tokens
$1.15
$1.44
Cached input / 1M
$0.029
$0.023
Web search
1.1¢ / search

Specs

Nex-N2-Pro
GPT-5.4 Nano
Released
2 months ago
5 months ago
Context window
262K
400K
Max output
262K
128K
Input
Text and Images
Files, Images, and Text
Output
Text
Text
Reasoning
Shows its thinking
Shows its thinking
Knowledge cutoff
2025-08-31

Try it with real numbers

2K tokens in · 500 tokens out.

Nex-N2-Pro

Nex AGI

0.11¢

for this task

50% input · 50% output

Full pricing →

GPT-5.4 Nano

OpenAI

0.12¢

for this task

39% input · 61% output

Full pricing →

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?

On a typical client proposal (5K tokens in, 800 out): GPT-5.4 Nano at 0.23¢; Nex-N2-Pro at 0.24¢. Long prompts can change the order when long-context rates apply.

Which has the largest context window?

GPT-5.4 Nano — 400K tokens, about 570 pages.

Can I run Nex-N2-Pro and GPT-5.4 Nano side by side on Alyph?

Yes — that is what Alyph is built for: the identical prompt with identical context to all 2, answers rendered side by side, billed from one wallet. This exact combination costs about 0.47¢ for a typical task.

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.