Nex N2.5 Pro
nex-n2-5-pro
Nex N2.5 Pro is an open-source multimodal agentic model for coding, tool use, and long-horizon workflows. It supports image input, structured output, configurable reasoning, a 262K-token context window, and up to 235K output tokens.
Specification
most-agreed values
Context
262K
Max output
262K
Released
2026-09-22
Knowledge cutoff
—
Retires
—
Open weights
yes
Input
text, image
Output
text
Price
US dollars per million tokens · most-agreed
Input
$0.075
Output
$0.25
Cache read
$0.015
Available from 3 hosts
| Host | In $/M | Out $/M | Cache rd | Cache wr | Context | Output | Retires |
|---|---|---|---|---|---|---|---|
| kilo · nex-agi | $0.075 | $0.25 | $0.015 | — | 262K | 236K | — |
| nano-gpt · nex-agi | $0.075 | $0.25 | $0.015 | — | 262K | 262K | — |
| openrouter · nex-agi | $0.075 | $0.25 | $0.015 | — | 262K | 236K | — |
Price history
append-only observations · a listing writes a row only when its price moves
| Date | Host | Field | $/M |
|---|---|---|---|
| 2026-09-09 | openrouter · free | Input | free |
| 2026-09-19 | openrouter · free | Input | free |
| 2026-09-26 | openrouter · free | Input | free |
| 2026-09-09 | openrouter · free | Output | free |
| 2026-09-19 | openrouter · free | Output | free |
| 2026-09-26 | openrouter · free | Output | free |
| 2026-09-23 | kilo · nex-agi | Cache read | $0.015 |
| 2026-09-29 | kilo · nex-agi | Cache read | $0.015 |
| 2026-09-23 | openrouter · nex-agi | Cache read | $0.015 |
| 2026-09-29 | openrouter · nex-agi | Cache read | $0.015 |
| 2026-09-23 | kilo · nex-agi | Input | $0.075 |
| 2026-09-29 | kilo · nex-agi | Input | $0.075 |
| 2026-09-23 | openrouter · nex-agi | Input | $0.075 |
| 2026-09-29 | openrouter · nex-agi | Input | $0.075 |
| 2026-09-23 | kilo · nex-agi | Output | $0.25 |
| 2026-09-29 | kilo · nex-agi | Output | $0.25 |
| 2026-09-23 | openrouter · nex-agi | Output | $0.25 |
| 2026-09-29 | openrouter · nex-agi | Output | $0.25 |