NENex-N2-Pro Open vs 
Claude Haiku 4.5 Paid
Nex-N2-Pro vs Claude Haiku 4.5 compared — price per token, context window, multimodality, openness and which to choose. Can the open-source model replace the paid one? Full 2026 breakdown.
Claude Haiku 4.5 — full profile ›
Prices & specs refreshed from live data · olud.ai
Open-model prices = cheapest provider via OpenRouter; official maker rates may be higher.
$1 /M outputNo per-token fees if you self-host
$5 /M outputManaged API (no infra to run)
Nex-N2-Pro vs Claude Haiku 4.5 specs
| Spec | Nex-N2-Pro | Claude Haiku 4.5 | Winner |
|---|---|---|---|
| Maker | Nex agi | Anthropic | – |
| Type | Open-weight | Proprietary | NENex-N2-Pro |
| Context window | 262K tokens | 200K tokens | NENex-N2-Pro |
| Input price | $0.25/M · free self-host | $1/M | NENex-N2-Pro |
| Output price | $1/M · free self-host | $5/M | NENex-N2-Pro |
| Vision / multimodal | Yes | Yes | = Tie |
| Tool / function calling | Yes | Yes | = Tie |
| Self-hostable | Yes | No (API only) | NENex-N2-Pro |
| License | Open weights | Proprietary | NENex-N2-Pro |
Price gap & when to choose each
Nex-N2-Pro is ~5.0× cheaper than Claude Haiku 4.5 on output tokens ($1 vs $5 per M tokens).
- You want to self-host or run on your cloud
- You need the longer 262K context window
- You prioritize data privacy & control
- You want the lowest operating costs
- You are building open or reproducible AI
- You want frontier performance through a managed API
- You value reliability & ecosystem
- You don't want to manage infrastructure
Feature comparison
| Capability | Nex-N2-Pro | Claude Haiku 4.5 |
|---|---|---|
| Open weights (downloadable) | ✓ | ✗ |
| Self-hostable | ✓ | ✗ |
| Runs fully offline | ✓ | ✗ |
| Vision / multimodal | ✓ | ✓ |
| Tool / function calling | ✓ | ✓ |
| 1M+ context window | ✗ | ✗ |
Benchmarks: Nex-N2-Pro vs Claude Haiku 4.5
Independent benchmark scores measured by Artificial Analysis. Higher is better (except latency).
Benchmark data by Artificial Analysis.
How Nex-N2-Pro and Claude Haiku 4.5 score
| Criterion | Nex-N2-Pro | Claude Haiku 4.5 |
|---|---|---|
| Cost-efficiency | 4.5 | 4.0 |
| Context window | 4.0 | 4.0 |
| Openness | 5.0 | 1.5 |
| Self-hosting | 5.0 | 1.0 |
| Multimodality | 5.0 | 5.0 |
Scores come from live data — output price (cost), context length, open vs closed weights (openness & self-hosting) and vision/tool support (multimodality). Raw task quality isn't scored here; it depends on your benchmark — see the verdict.
What each model is
Nex-N2-Pro Open
Nex-N2-Pro is an agentic mixture-of-experts model from Nex AGI, with 17B active parameters out of 397B total. Built on the Qwen3.5 architecture, it accepts text and image input and produces...
Claude Haiku 4.5 Paid
Claude Haiku 4.5 is Anthropic’s fastest and most efficient model, delivering near-frontier intelligence at a fraction of the cost and latency of larger Claude models. Matching Claude Sonnet 4’s performance...
Other models in these families
These variants are tracked but not compared here — one page per family keeps the comparison readable.
Frequently asked questions
Is Nex-N2-Pro as good as Claude Haiku 4.5?
Nex-N2-Pro is open-weight and competitive on many tasks, but Claude Haiku 4.5 may still lead on the hardest reasoning and agentic work. The gap keeps narrowing — benchmark both on your actual use case before deciding.
Can I run Nex-N2-Pro locally?
Yes. Nex-N2-Pro has open weights, so you can self-host it on your own GPUs or run it via a low-cost API. Claude Haiku 4.5 is API-only and cannot be self-hosted.
How much cheaper is Nex-N2-Pro?
Nex-N2-Pro costs $1/M output vs $5/M for Claude Haiku 4.5 — roughly 5x cheaper via API, and free if you self-host.
Nex-N2-Pro vs Claude Haiku 4.5 — which should I pick in 2026?
Choose Nex-N2-Pro if you want to self-host, keep your data private and skip per-token fees — it's open-weight and runs on your own hardware. Choose Claude Haiku 4.5 if you want frontier capability through a managed API with zero infrastructure to run.
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