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Create Anything Using Roo Code and Quasar Alpha: A Step-by-Step Guide
#Build #Roo #Code #Quasar #Alpha #Heres
This model to me seems pretty good, lightning fast, and does a good job of coding – I think this will be a gpt-4o-mini style model, which means it will be cheap
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Quasar Alpha
The Mysterious New Model Likely From OpenAI
OpenRouter surprised the AI world by quietly releasing Quasar Alpha on April 4, 2025. This stealth launch sparked intense speculation about its origins and capabilities.
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Quasar Alpha
According to OpenRouter, Quasar Alpha is a prerelease of a long-context foundation model from a partner lab, featuring a massive 1 million token context window—optimized for coding but also effective for general tasks.
Unlike typical high-profile model debuts, Quasar Alpha arrived without fanfare, described by OpenRouter as a “stealth” release available for free, targeting developers needing advanced long-context coding support.
Update: Alternative Theory Points to Quasar AI (SILX AI)
A competing theory suggests Quasar Alpha may not be from OpenAI but instead from a smaller lab called Quasar AI (SILX AI). Some circumstantial evidence supports this:
1. Quasar AI’s Hugging Face models are named the Quasar series.
2. A smaller lab like Quasar AI is more likely to collaborate with OpenRouter than a giant like OpenAI.
3. A Discord user, TroyGPT, claiming affiliation with Quasar AI (SILX AI), has actively discussed Quasar Alpha in OpenRouter’s server.
Quasar Alpha
However, this theory faces major hurdles:
1. OpenRouter is serving ~10B tokens/day for Quasar Alpha—a scale beyond most small labs’ compute capacity.
2. TroyGPT joined OpenRouter’s Discord on April 4, 2025, the same day Quasar Alpha launched, making prior coordination unlikely.
Strong Performance & Instruction Following
Early benchmarks show Quasar Alpha scoring 55% on the aider polyglot coding test, rivaling models like DeepSeek V3 and Claude 3.5 Sonnet.
Quasar Alpha
Users report Quasar Alpha excels at instruction adherence—even surpassing Claude 3.5 Sonnet and Gemini 2.5 Pro in some cases.
Technical Clues Pointing to OpenAI
AI researchers have dug into Quasar Alpha’s technical fingerprints:
1. ZYPX4 noted its API responses include the “chatcmpl-” prefix—exclusive to OpenAI models like ChatGPT.
Quasar Alpha
2. lowvram found Quasar Alpha’s tool-call ID format matches OpenAI’s, differing from Google or Mistral’s styles.
Quasar Alpha
While not definitive, these metadata patterns strongly suggest Quasar Alpha is linked to OpenAI’s infrastructure.
Model Clustering Confirms OpenAI Proximity
AI researcher Sam Paech used bioinformatics tools (PHYLIP pars) to analyze model relationships.
Quasar Alpha
The results placed Quasar Alpha closest to GPT-4.5 Preview, further distancing it from non-OpenAI models.
Chinese Tokenizer Bug: Another OpenAI Link?
A Reddit user (nekofneko) discovered a Chinese translation bug in Quasar Alpha’s responses via Cherry Studio—a known issue with OpenAI’s tokenizer (o200k_base).
Quasar Alpha
Why a Stealth Release?
Possible reasons for Quasar Alpha’s quiet launch:
1. Real-world testing without hype-driven expectations.
2. Unbiased benchmarking against rivals like Claude 3.5 Sonnet and Gemini 2.5 Pro.
3. Developer-focused refinement before a full announcement.
Why Developers Should Try Quasar Alpha
With its 1M-token context and strong instruction-following, Quasar Alpha is a powerful tool for complex coding and document processing.
How to Access Quasar Alpha
You can test Quasar Alpha via:
OpenRouter (follow their setup guide and select Quasar Alpha).
Compare it against Claude 3.5 Sonnet, Gemini 2.5 Pro, and others.
Quasar Alpha
Is Quasar Alpha OpenAI’s stealth project, or is Quasar AI (SILX AI) behind it? The evidence leans toward OpenAI—but the mystery remains. Try it and decide for yourself!
Quasar Alpha
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