Nex AGI: Nex-N2.5-Mini
Nex-N2.5-Mini is a reasoning model from Nex AGI released on Sep 8, 2026. It reads text and images and writes text, with a 262K token context window and up to 236K tokens per reply.
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It costs $0.025 per million input tokens and $0.10 per million output tokens. Cached input bills at $0.0025, 90% less than fresh input.
It supports structured JSON output and prompt caching.
- Modalities
- In / out price
- $0.025 / $0.10 per 1M
- Context
- 262K
- Max output
- 236K
- Released
- Sep 8, 2026
- Knowledge cutoff
- n/a
- Tool calling
- Structured output
- Reasoning
- Prompt caching
- Open weights
- Free to use
Nex-N2.5-Mini pricing
USD, as listed on Oct 15, 2026. Most bills are input heavy, so the cached input rate matters as much as the headline price.
| Input | $0.025 / 1M tokens | |
|---|---|---|
| Output | $0.10 / 1M tokens | |
| Cached input (read) | $0.0025 / 1M tokens | 90% off input |
What Nex-N2.5-Mini costs per month
Pick a workload close to yours or type your own volumes.
Supported request parameters
What you can set when you call Nex-N2.5-Mini through an OpenAI compatible API.
- Structured outputs
structured_outputs - Reasoning
reasoning - Temperature
temperature
Alternatives to Nex-N2.5-Mini
Models that take the same inputs, closest in price, cheaper ones first.
- 1M context
Reads text, images and video. Tool calling, structured output, reasoning. Served by 12 providers.
by qwenJul 15, 2026$0.03/M input tokens$0.13/M output tokens12 providers
- 128K context
Reads text, images and video. Tool calling, structured output, reasoning. Served by 6 providers.
by z-aiDec 8, 2025$0.0218/M input tokens$0.2184/M output tokens6 providers
- 128K context
Reads text and images. Reasoning. Served by 6 providers.
by nvidiaJun 4, 2026$0.05/M input tokens$0.15/M output tokens6 providers
- 262K context
Reads text, images and video. Tool calling, structured output, reasoning. Served by 5 providers.
by inclusionaiSep 8, 2026$0.06/M input tokens$0.18/M output tokens5 providers
- 33K context
Reads text, images and audio. Tool calling, structured output, reasoning. Served by 2 providers.
by googleApr 2, 2026$0.10/M input tokens$0.10/M output tokens2 providers
- 262K context
Reads text, images and video. Tool calling, structured output, reasoning. Served by 21 providers.
by qwenFeb 1, 2026$0.10/M input tokens$0.15/M output tokens21 providers
More from Nex AGI
- 262K context
Reads text and images. Tool calling, structured output, reasoning.
by nex-agiSep 8, 2026$0.075/M input tokens$0.25/M output tokens
- 262K context
Reads text and images. Tool calling, structured output, reasoning.
by nex-agiJun 2, 2026$0.50/M input tokens$2.50/M output tokens
Nex-N2.5-Mini questions
How much does the Nex-N2.5-Mini API cost?
$0.025 per million input tokens and $0.10 per million output tokens, with cached input at $0.0025. The estimator on this page turns that into a monthly bill for your own workload.
What is the context window of Nex-N2.5-Mini?
262,144 tokens of input, and it can write up to 235,929 tokens in one reply. As a rough guide, a million tokens is around 750,000 English words.
Does Nex-N2.5-Mini support tool calling?
Not through the standard tools parameter. For an agent that calls your APIs, pick a model from the alternatives below that does.
Is Nex-N2.5-Mini open source?
No. Nex AGI serves it through an API only, so you cannot download the weights or host it yourself.
When was Nex-N2.5-Mini released?
Sep 8, 2026.
Catalog data from models.dev (MIT licensed), refreshed daily, last on Oct 15, 2026. The summary is written from these facts.
Building on Nex-N2.5-Mini?
I test your real tasks on it and the two closest alternatives, then ship the agent on whichever wins on cost and accuracy.
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