Model Comparison

Gemini 3 Flash vs GPT OSS 120B

Gemini 3 Flash significantly outperforms across most benchmarks. GPT OSS 120B is 6.3x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

2 benchmarks

Gemini 3 Flash outperforms in 2 benchmarks (GPQA, Humanity's Last Exam), while GPT OSS 120B is better at 0 benchmarks.

Gemini 3 Flash significantly outperforms across most benchmarks.

Fri Apr 17 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

GPT OSS 120B costs less

For input processing, Gemini 3 Flash ($0.50/1M tokens) is 5.6x more expensive than GPT OSS 120B ($0.09/1M tokens).

For output processing, Gemini 3 Flash ($3.00/1M tokens) is 6.7x more expensive than GPT OSS 120B ($0.45/1M tokens).

In conclusion, Gemini 3 Flash is more expensive than GPT OSS 120B.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Fri Apr 17 2026 • llm-stats.com
Google
Gemini 3 Flash
Input tokens$0.50
Output tokens$3.00
Best providerGoogle
OpenAI
GPT OSS 120B
Input tokens$0.09
Output tokens$0.45
Best providerDeepinfra
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Gemini 3 Flash accepts 1,000,000 input tokens compared to GPT OSS 120B's 131,072 tokens. GPT OSS 120B can generate longer responses up to 131,072 tokens, while Gemini 3 Flash is limited to 65,536 tokens.

Google
Gemini 3 Flash
Input1,000,000 tokens
Output65,536 tokens
OpenAI
GPT OSS 120B
Input131,072 tokens
Output131,072 tokens
Fri Apr 17 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Gemini 3 Flash supports multimodal inputs, whereas GPT OSS 120B does not.

Gemini 3 Flash can handle both text and other forms of data like images, making it suitable for multimodal applications.

Gemini 3 Flash

Text
Images
Audio
Video

GPT OSS 120B

Text
Images
Audio
Video

License

Usage and distribution terms

Gemini 3 Flash is licensed under a proprietary license, while GPT OSS 120B uses Apache 2.0.

License differences may affect how you can use these models in commercial or open-source projects.

Gemini 3 Flash

Proprietary

Closed source

GPT OSS 120B

Apache 2.0

Open weights

Release Timeline

When each model was launched

Gemini 3 Flash was released on 2025-12-17, while GPT OSS 120B was released on 2025-08-05.

Gemini 3 Flash is 4 months newer than GPT OSS 120B.

Gemini 3 Flash

Dec 17, 2025

4 months ago

4mo newer
GPT OSS 120B

Aug 5, 2025

8 months ago

Knowledge Cutoff

When training data ends

Gemini 3 Flash has a documented knowledge cutoff of 2025-01-31, while GPT OSS 120B's cutoff date is not specified.

We can confirm Gemini 3 Flash's training data extends to 2025-01-31, but cannot make a direct comparison without GPT OSS 120B's cutoff date.

Gemini 3 Flash

Jan 2025

GPT OSS 120B

—

Provider Availability

Gemini 3 Flash is available from Google. GPT OSS 120B is available from DeepInfra, Novita, OpenAI, Fireworks, Groq.

Gemini 3 Flash

google logo
Google
Input Price:Input: $0.50/1MOutput Price:Output: $3.00/1M

GPT OSS 120B

deepinfra logo
Deepinfra
Input Price:Input: $0.09/1MOutput Price:Output: $0.45/1M
novita logo
Novita
Input Price:Input: $0.10/1MOutput Price:Output: $0.50/1M
openai logo
OpenAI
Input Price:Input: $0.10/1MOutput Price:Output: $0.50/1M
fireworks logo
Fireworks
Input Price:Input: $0.15/1MOutput Price:Output: $0.60/1M
groq logo
Groq
Input Price:Input: $0.15/1MOutput Price:Output: $0.60/1M
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

Google
Larger context window (1,000,000 tokens)
Supports multimodal inputs
Higher GPQA score (90.4% vs 80.1%)
Higher Humanity's Last Exam score (43.5% vs 14.9%)
OpenAI
Less expensive input tokens
Less expensive output tokens
Has open weights

Detailed Comparison

AI Model Comparison Table
Feature
Google
Gemini 3 Flash
OpenAI
GPT OSS 120B

FAQ

Common questions about Gemini 3 Flash vs GPT OSS 120B

Gemini 3 Flash significantly outperforms across most benchmarks. Gemini 3 Flash is made by Google and GPT OSS 120B is made by OpenAI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
Gemini 3 Flash scores Vending-Bench 2: 100.0%, AIME 2025: 99.7%, Global PIQA: 92.8%, MMMLU: 91.8%, GPQA: 90.4%. GPT OSS 120B scores MMLU: 90.0%, CodeForces: 82.1%, GPQA: 80.1%, TAU-bench Retail: 67.8%, HealthBench: 57.6%.
GPT OSS 120B is 5.6x cheaper for input tokens. Gemini 3 Flash costs $0.50/M input and $3.00/M output via google. GPT OSS 120B costs $0.09/M input and $0.45/M output via deepinfra.
Gemini 3 Flash supports 1.0M tokens and GPT OSS 120B supports 131K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.
Key differences include context window (1.0M vs 131K), input pricing ($0.50 vs $0.09/M), multimodal support (yes vs no), licensing (Proprietary vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.
Gemini 3 Flash is developed by Google and GPT OSS 120B is developed by OpenAI.