Aurora AlphavsGPT OSS 120B
Aurora Alpha is cheaper than GPT OSS 120B at $0/M vs $0.18/M input tokens.
| Spec | Aurora Alpha | GPT OSS 120B |
|---|---|---|
| Input price | Free | $0.18/M tokens |
| Output price | Free | $0.8/M tokens |
| Context window | 128K tokens | 131K tokens |
| Weights | — | Open |
| Free API (OpenRouter) | No | No |
| Released | Feb 2026 | Aug 2025 |
Our Verdict
GPT OSS 120B
Aurora AlphaRunner-up
Not enough votes to call it. On the specs, GPT OSS 120B has the edge: bigger model tier, major provider backing.
Too close to call
Reviewing agent-written code?See a Brief PR report
API pricing
Cost per 1M tokens
Aurora Alpha
Input
$0.000
Output
$0.000
GPT OSS 120B
Input
$0.18
Output
$0.80
Where to run it
19 hosts, cheapest first
Aurora Alpha
No hosts listed on OpenRouter.
GPT OSS 120B19 hosts
AkashMLbf16$0.03 in$0.17 out131k100% upCoreWeavefp4$0.03 in$0.17 out131k99.9% upDekaLLMbf16$0.03 in$0.18 out131k98.9% upDeepInfrabf16$0.04 in$0.17 out131k99.9% upNovitafp4$0.05 in$0.25 out131k95% upDigitalOcean$0.06 in$0.39 out128k100% up
13 more hostsFewer hosts
Mancerfp8$0.06 in$0.50 out131k98.9% upGoogle Vertex AI$0.09 in$0.36 out131k99.9% upBasetenfp4$0.10 in$0.50 out128k100% upParasailfp4$0.10 in$0.75 out131k100% upSambaNova$0.14 in$0.95 out131k97.9% upAmazon Bedrock$0.15 in$0.60 out131k95.8% upGroq$0.15 in$0.60 out131k100% upNebiusfp4$0.15 in$0.60 out131k99.7% upPhala$0.15 in$0.60 out131k95.3% upTogether$0.15 in$0.60 out131k95.5% upCerebrasfp16$0.35 in$0.75 out131k100% upSiliconFlowfp8degraded$0.15 in$0.60 out131k97% upMaradegraded$0.15 in$0.75 out131k70.4% up
Per million tokens. Prices and uptime via OpenRouter, checked 12 Sep 2026.
Writing DNA
Style Comparison
Similarity
92%
Aurora Alpha uses 1.5x more hedging
Aurora Alpha
GPT OSS 120B
52%Vocabulary52%
21wSentence Length19w
0.43Hedging0.28
6.3Bold7.4
2.2Lists1.8
0.10Emoji0.15
0.69Headings0.73
0.16Transitions0.17
Based on 22 + 21 text responses
Research
What we learned reading every model
FAQ
Common questions
Keep exploring
More comparisons
Aurora Alpha vs MiniMax M3New provider
GPT OSS 120B vs MiniMax M2.7New provider
GPT OSS 120B vs Ox AlphaCross-provider
Aurora Alpha vs GPT OSS 20BCross-provider
Aurora Alpha vs Gemini 2.5 Pro (I/O Edition)New provider
GPT OSS 120B vs Gemini 2.5 Pro Preview 06-05New provider
Aurora Alpha vs Gemini 3 Flash PreviewNew provider
Aurora Alpha vs Gemini 3 Pro PreviewNew provider