GPT OSS 120BvsLlama 3.1 70B (Instruct)
GPT OSS 120B is cheaper than Llama 3.1 70B (Instruct) at $0.18/M vs $0.59/M input tokens.
| Spec | GPT OSS 120B | Llama 3.1 70B (Instruct) |
|---|---|---|
| Input price | $0.18/M tokens | $0.59/M tokens |
| Output price | $0.8/M tokens | $0.79/M tokens |
| Context window | 131K tokens | 128K tokens |
| Parameters | 117B (5.1B active) | 70B |
| Weights | Open | Open |
| Free API (OpenRouter) | No | No |
| Released | Aug 2025 | Jul 2024 |
| MMLU | Matches/exceeds o4-mini | 86.0% |
Our Verdict
GPT OSS 120B
Llama 3.1 70B (Instruct)Runner-up
Not enough votes to call it. On the specs, GPT OSS 120B has the edge: bigger model tier, newer.
Too close to call
API pricing
Cost per 1M tokens
GPT OSS 120B
Input
$0.18
3.3× cheaper
Output
$0.80
Llama 3.1 70B (Instruct)
Input
$0.59
Output
$0.79
GPT OSS 120B wins input (3.3× cheaper)·Llama 3.1 70B (Instruct)
Where to run it
20 hosts, cheapest first
GPT OSS 120B18 hosts
AkashMLbf16$0.03 in$0.17 out131k99.9% upCoreWeavefp4$0.03 in$0.17 out131k99.9% upDeepInfrabf16$0.04 in$0.17 out131k99.5% upSiliconFlowfp8$0.05 in$0.45 out131k90.3% upMancerfp8$0.05 in$0.50 out131k98.4% upDigitalOcean$0.06 in$0.39 out128k100% up
12 more hostsFewer hosts
Google Vertex AI$0.09 in$0.36 out131k99.9% upBasetenfp4$0.10 in$0.50 out128k100% upParasailfp4$0.10 in$0.75 out131k100% upAmazon Bedrock$0.15 in$0.60 out131k100% upGroq$0.15 in$0.60 out131k100% upNebiusfp4$0.15 in$0.60 out131k99.1% upMara$0.15 in$0.75 out131k88.8% upCerebrasfp16$0.35 in$0.75 out131k100% upNovitafp4degraded$0.05 in$0.25 out131k73.2% upSambaNovadegraded$0.14 in$0.95 out131k94.2% upPhaladegraded$0.15 in$0.60 out131k72.1% upTogetherdegraded$0.15 in$0.60 out131k81.1% up
Llama 3.1 70B (Instruct)2 hosts
Per million tokens. Prices and uptime via OpenRouter, checked 8 Sep 2026.
Writing DNA
Style Comparison
Similarity
36%
GPT OSS 120B uses 15.4x more emoji
GPT OSS 120B
Llama 3.1 70B (Instruct)
52%Vocabulary51%
19wSentence Length21w
0.28Hedging0.55
7.4Bold3.0
1.8Lists4.0
0.15Emoji0.00
0.73Headings0.00
0.17Transitions0.06
Based on 21 + 27 text responses
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