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Gemini 3.7 Flash vs o3-mini

Comparing Gemini 3.7 Flash and o3-mini across benchmarks, pricing, and capabilities.

Google · OpenAI · Updated for 2026

Which is better?

Gemini 3.7 Flash and o3-mini trade strengths across price, capabilities, and technical limits. The better choice depends on the workload.

On price, Gemini 3.7 Flash is roughly 1.3x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Gemini 3.7 Flash also accepts a larger context window (1,048,576 input tokens), making it the stronger choice for long documents and large codebases.

Based on current benchmark, pricing, and model metadata for 2026.

Choose Gemini 3.7 Flash

  • cost matters — it's about 1.3x cheaper per token
  • you process long inputs — it offers a 1,048,576 token context window
  • you want the most recent training data — it shipped Aug 2026

Choose o3-mini

  • you want predictable pricing at $1.10/M input and $4.40/M output

At a glance

The differences that matter most.

Gemini 3.7 Flash
Google
o3-mini
OpenAI
Benchmark wins
—
—
Input price
$0.75 / M
$1.10 / M
Output price
$3.75 / M
$4.40 / M
Context window
1,048,576
200,000
Released
Aug 2026
Jan 2025
License
Proprietary
Proprietary

Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

Gemini 3.7 Flash and o3-minidon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Arena Performance

Playground indexes and blind preference scores

Pricing Analysis

Price comparison per million tokens

Gemini 3.7 Flash costs less

For input processing, Gemini 3.7 Flash ($0.75/1M tokens) is 1.5x cheaper than o3-mini ($1.10/1M tokens).

For output processing, Gemini 3.7 Flash ($3.75/1M tokens) is 1.2x cheaper than o3-mini ($4.40/1M tokens).

In conclusion, o3-mini is more expensive than Gemini 3.7 Flash.*

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

Lowest available price from all providers
Mon Aug 24 2026 • llm-stats.com
Google
Gemini 3.7 Flash
Input tokens$0.75
Output tokens$3.75
Best providerGoogle
OpenAI
o3-mini
Input tokens$1.10
Output tokens$4.40
Best providerAzure
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Gemini 3.7 Flash 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 3.7 Flash is limited to 65,536 tokens.

Google
Gemini 3.7 Flash
Input1,048,576 tokens
Output65,536 tokens
OpenAI
o3-mini
Input200,000 tokens
Output100,000 tokens
Mon Aug 24 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Gemini 3.7 Flash supports multimodal inputs, whereas o3-mini does not.

Gemini 3.7 Flash can handle both text and other forms of data like images, making it suitable for multimodal applications.

Gemini 3.7 Flash

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 3.7 Flash

Proprietary

Closed source

o3-mini

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 3.7 Flash was released on 2026-08-13, while o3-mini was released on 2025-01-30.

Gemini 3.7 Flash is 19 months newer than o3-mini.

Gemini 3.7 Flash

Aug 13, 2026

1 weeks ago

1.5yr newer
o3-mini

Jan 30, 2025

1.6 years ago

Knowledge Cutoff

When training data ends

Gemini 3.7 Flash has a knowledge cutoff of 2026-03-31, while o3-mini has a cutoff of 2023-09-30.

Gemini 3.7 Flash has more recent training data (up to 2026-03-31), making it potentially better informed about events through that date compared to o3-mini (2023-09-30).

Gemini 3.7 Flash

Mar 2026

2.5 yr newer
o3-mini

Sep 2023

Provider Availability

Gemini 3.7 Flash is available from Google. o3-mini is available from Azure, OpenAI.

Gemini 3.7 Flash

google logo
Google
Input Price:Input: $0.75/1MOutput Price:Output: $3.75/1M

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

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against Gemini 3.7 Flash and o3-mini side-by-side, then vote on the output you prefer.

Gemini 3.7 Flash
✓ Preferred
o3-mini
Open in Playground

FAQ

Common questions about Gemini 3.7 Flash vs o3-mini.

Which is better, Gemini 3.7 Flash or o3-mini?

Gemini 3.7 Flash (Google) and o3-mini (OpenAI) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does Gemini 3.7 Flash compare to o3-mini in benchmarks?

Gemini 3.7 Flash scores MRCR v2 (8-needle): 97.0%, Harvey LAB-AA: 90.7%, CharXiv-R: 88.7%, Terminal-Bench 2.1: 85.8%, LVBench: 85.4%. o3-mini scores COLLIE: 98.7%, MATH: 97.9%, IFEval: 93.9%, MGSM: 92.0%, AIME 2024: 87.3%.

Is Gemini 3.7 Flash cheaper than o3-mini?

Gemini 3.7 Flash is 1.5x cheaper for input tokens. Gemini 3.7 Flash costs $0.75/M input and $3.75/M output via google. o3-mini costs $1.10/M input and $4.40/M output via azure.

What are the context window sizes for Gemini 3.7 Flash and o3-mini?

Gemini 3.7 Flash 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.

What are the main differences between Gemini 3.7 Flash and o3-mini?

Key differences include context window (1.0M vs 200K), input pricing ($0.75 vs $1.10/M), multimodal support (yes vs no). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemini 3.7 Flash and o3-mini?

Gemini 3.7 Flash is developed by Google and o3-mini is developed by OpenAI.

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