Model Comparison

Gemini 1.5 Flash 8B vs o3-mini

o3-mini significantly outperforms across most benchmarks. Gemini 1.5 Flash 8B is 15.1x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

2 benchmarks

Gemini 1.5 Flash 8B outperforms in 0 benchmarks, while o3-mini is better at 2 benchmarks (GPQA, MATH).

o3-mini significantly outperforms across most benchmarks.

Wed Apr 01 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Gemini 1.5 Flash 8B costs less

For input processing, Gemini 1.5 Flash 8B ($0.07/1M tokens) is 15.7x cheaper than o3-mini ($1.10/1M tokens).

For output processing, Gemini 1.5 Flash 8B ($0.30/1M tokens) is 14.7x cheaper than o3-mini ($4.40/1M tokens).

In conclusion, o3-mini is more expensive than Gemini 1.5 Flash 8B.*

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

Lowest available price from all providers
Wed Apr 01 2026 • llm-stats.com
Google
Gemini 1.5 Flash 8B
Input tokens$0.07
Output tokens$0.30
Best providerGoogle
OpenAI
o3-mini
Input tokens$1.10
Output tokens$4.40
Best providerAzure
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Context Window

Maximum input and output token capacity

Gemini 1.5 Flash 8B accepts 1,048,576 input tokens compared to o3-mini's 200,000 tokens. o3-mini can generate longer responses up to 100,000 tokens, while Gemini 1.5 Flash 8B is limited to 8,192 tokens.

Google
Gemini 1.5 Flash 8B
Input1,048,576 tokens
Output8,192 tokens
OpenAI
o3-mini
Input200,000 tokens
Output100,000 tokens
Wed Apr 01 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Gemini 1.5 Flash 8B supports multimodal inputs, whereas o3-mini does not.

Gemini 1.5 Flash 8B can handle both text and other forms of data like images, making it suitable for multimodal applications.

Gemini 1.5 Flash 8B

Text
Images
Audio
Video

o3-mini

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

Gemini 1.5 Flash 8B

Proprietary

Closed source

o3-mini

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 1.5 Flash 8B was released on 2024-03-15, while o3-mini was released on 2025-01-30.

o3-mini is 11 months newer than Gemini 1.5 Flash 8B.

Gemini 1.5 Flash 8B

Mar 15, 2024

2.0 years ago

o3-mini

Jan 30, 2025

1.2 years ago

10mo newer

Knowledge Cutoff

When training data ends

Gemini 1.5 Flash 8B has a knowledge cutoff of 2024-10-01, while o3-mini has a cutoff of 2023-09-30.

Gemini 1.5 Flash 8B has more recent training data (up to 2024-10-01), making it potentially better informed about events through that date compared to o3-mini (2023-09-30).

Gemini 1.5 Flash 8B

Oct 2024

1.1 yr newer
o3-mini

Sep 2023

Provider Availability

Gemini 1.5 Flash 8B is available from Google. o3-mini is available from Azure, OpenAI.

Gemini 1.5 Flash 8B

google logo
Google
Input Price:Input: $0.07/1MOutput Price:Output: $0.30/1M

o3-mini

azure logo
Azure
Input Price:Input: $1.10/1MOutput Price:Output: $4.40/1M
openai logo
OpenAI
Input Price:Input: $1.10/1MOutput Price:Output: $4.40/1M
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

Google
Larger context window (1,048,576 tokens)
Supports multimodal inputs
Less expensive input tokens
Less expensive output tokens
OpenAI
Higher GPQA score (77.2% vs 38.4%)
Higher MATH score (97.9% vs 58.7%)
GoogleGemini 1.5 Flash 8B
OpenAIo3-mini
Compare in Playground

Detailed Comparison

AI Model Comparison Table
Feature
Google
Gemini 1.5 Flash 8B
OpenAI
o3-mini

FAQ

Common questions about Gemini 1.5 Flash 8B vs o3-mini

o3-mini significantly outperforms across most benchmarks. Gemini 1.5 Flash 8B is made by Google and o3-mini is made by OpenAI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
Gemini 1.5 Flash 8B scores XSTest: 92.6%, FLEURS: 86.4%, Natural2Code: 75.5%, WMT23: 72.6%, Video-MME: 66.2%. o3-mini scores COLLIE: 98.7%, MATH: 97.9%, IFEval: 93.9%, MGSM: 92.0%, AIME 2024: 87.3%.
Gemini 1.5 Flash 8B is 15.7x cheaper for input tokens. Gemini 1.5 Flash 8B costs $0.07/M input and $0.30/M output via google. o3-mini costs $1.10/M input and $4.40/M output via azure.
Gemini 1.5 Flash 8B supports 1.0M tokens and o3-mini supports 200K 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 200K), input pricing ($0.07 vs $1.10/M), multimodal support (yes vs no). See the full comparison above for benchmark-by-benchmark results.
Gemini 1.5 Flash 8B is developed by Google and o3-mini is developed by OpenAI.