OpenRouter Fusion · Budget (Jun 2026)vsGPT-5 Nano
OpenRouter Fusion · Budget (Jun 2026) is the newer model, released after GPT-5 Nano.
| Spec | OpenRouter Fusion · Budget (Jun 2026) | GPT-5 Nano |
|---|---|---|
| Context window | 256K tokens | — |
| Weights | — | Closed |
| Free API (OpenRouter) | No | No |
| Released | Jun 2026 | Aug 2025 |
Our Verdict
OpenRouter Fusion · Budget (Jun 2026)
GPT-5 NanoRunner-up
Not enough votes to call it. On the specs, OpenRouter Fusion · Budget (Jun 2026) has the edge: bigger model tier, newer, bigger context window.
Too close to call
Reviewing agent-written code?See a Brief PR report
Where to run it
2 hosts
OpenRouter Fusion · Budget (Jun 2026)
No hosts listed on OpenRouter.
Per million tokens. Prices and uptime via OpenRouter, checked 12 Sep 2026.
Writing DNA
Style Comparison
Similarity
44%
OpenRouter Fusion · Budget (Jun 2026) uses 382.4x more bold
OpenRouter Fusion · Budget (Jun 2026)
GPT-5 Nano
58%Vocabulary60%
22wSentence Length25w
0.13Hedging0.26
3.8Bold0.0
1.7Lists4.4
0.01Emoji0.00
0.93Headings0.00
0.17Transitions0.03
Based on 27 + 20 text responses
Research
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