Gemini 2.0 Flash ThinkingvsGPT OSS 120B
GPT OSS 120B is cheaper than Gemini 2.0 Flash Thinking at $0.18/M vs $0.25/M input tokens.
| Spec | Gemini 2.0 Flash Thinking | GPT OSS 120B |
|---|---|---|
| Input price | $0.25/M tokens | $0.18/M tokens |
| Output price | $0.5/M tokens | $0.8/M tokens |
| Context window | 500K tokens | 131K tokens |
| Released | Dec 2024 | Aug 2025 |
| MMLU | 82.3% | Matches/exceeds o4-mini |
Our Verdict
GPT OSS 120B
Gemini 2.0 Flash ThinkingRunner-up
Not enough votes to call it. On the specs, GPT OSS 120B has the edge: bigger model tier, newer.
GPT OSS 120B takes Reasoning.
Too close to call
API pricing
Cost per 1M tokens
Gemini 2.0 Flash Thinking
Input
$0.25
Output
$0.50
1.6× cheaper
GPT OSS 120B
Input
$0.18
1.4× cheaper
Output
$0.80
GPT OSS 120B wins input (1.4× cheaper)·Gemini 2.0 Flash Thinking wins output (1.6× cheaper)
Writing DNA
Style Comparison
Similarity
47%
GPT OSS 120B uses 15.4x more emoji
Gemini 2.0 Flash Thinking
GPT OSS 120B
54%Vocabulary52%
15wSentence Length19w
0.64Hedging0.28
3.8Bold7.4
2.4Lists1.8
0.00Emoji0.15
0.03Headings0.73
0.30Transitions0.17
Based on 13 + 21 text responses
Research
What we learned reading every model
FAQ
Common questions
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