Model Comparison

Gemini 3 Flash vs ChatGPT-4o Latest

Gemini 3 Flash significantly outperforms across most benchmarks. Gemini 3 Flash is 3.9x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

Gemini 3 Flash outperforms in 1 benchmarks (GPQA), while ChatGPT-4o Latest is better at 0 benchmarks.

Gemini 3 Flash significantly outperforms across most benchmarks.

Tue Apr 21 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Gemini 3 Flash costs less

For input processing, Gemini 3 Flash ($0.50/1M tokens) is 5.0x cheaper than ChatGPT-4o Latest ($2.50/1M tokens).

For output processing, Gemini 3 Flash ($3.00/1M tokens) is 3.3x cheaper than ChatGPT-4o Latest ($10.00/1M tokens).

In conclusion, ChatGPT-4o Latest is more expensive than Gemini 3 Flash.*

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

Lowest available price from all providers
Tue Apr 21 2026 • llm-stats.com
Google
Gemini 3 Flash
Input tokens$0.50
Output tokens$3.00
Best providerGoogle
OpenAI
ChatGPT-4o Latest
Input tokens$2.50
Output tokens$10.00
Best providerOpenAI
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 ChatGPT-4o Latest's 128,000 tokens. Gemini 3 Flash can generate longer responses up to 65,536 tokens, while ChatGPT-4o Latest is limited to 16,384 tokens.

Google
Gemini 3 Flash
Input1,000,000 tokens
Output65,536 tokens
OpenAI
ChatGPT-4o Latest
Input128,000 tokens
Output16,384 tokens
Tue Apr 21 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Gemini 3 Flash and ChatGPT-4o Latest support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Gemini 3 Flash

Text
Images
Audio
Video

ChatGPT-4o Latest

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 Flash

Proprietary

Closed source

ChatGPT-4o Latest

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 3 Flash was released on 2025-12-17, while ChatGPT-4o Latest was released on 2024-05-13.

Gemini 3 Flash is 19 months newer than ChatGPT-4o Latest.

Gemini 3 Flash

Dec 17, 2025

4 months ago

1.6yr newer
ChatGPT-4o Latest

May 13, 2024

1.9 years ago

Knowledge Cutoff

When training data ends

Gemini 3 Flash has a documented knowledge cutoff of 2025-01-31, while ChatGPT-4o Latest'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 ChatGPT-4o Latest's cutoff date.

Gemini 3 Flash

Jan 2025

ChatGPT-4o Latest

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Provider Availability

Gemini 3 Flash is available from Google. ChatGPT-4o Latest is available from OpenAI.

Gemini 3 Flash

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

ChatGPT-4o Latest

openai logo
OpenAI
Input Price:Input: $2.50/1MOutput Price:Output: $10.00/1M
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

Google
Larger context window (1,000,000 tokens)
Less expensive input tokens
Less expensive output tokens
Higher GPQA score (90.4% vs 84.0%)
OpenAI

Detailed Comparison

AI Model Comparison Table
Feature
Google
Gemini 3 Flash
OpenAI
ChatGPT-4o Latest

FAQ

Common questions about Gemini 3 Flash vs ChatGPT-4o Latest

Gemini 3 Flash significantly outperforms across most benchmarks. Gemini 3 Flash is made by Google and ChatGPT-4o Latest 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%. ChatGPT-4o Latest scores GPQA: 84.0%.
Gemini 3 Flash is 5.0x cheaper for input tokens. Gemini 3 Flash costs $0.50/M input and $3.00/M output via google. ChatGPT-4o Latest costs $2.50/M input and $10.00/M output via openai.
Gemini 3 Flash supports 1.0M tokens and ChatGPT-4o Latest supports 128K 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 128K), input pricing ($0.50 vs $2.50/M). See the full comparison above for benchmark-by-benchmark results.
Gemini 3 Flash is developed by Google and ChatGPT-4o Latest is developed by OpenAI.