Model Comparison

Gemini 2.5 Pro Preview 06-05 vs GPT-4.5

Gemini 2.5 Pro Preview 06-05 shows notably better performance in the majority of benchmarks. Gemini 2.5 Pro Preview 06-05 is 27.3x cheaper per token.

Want to compare interactively?Try the playground

Performance Benchmarks

Comparative analysis across standard metrics

4 benchmarks

Gemini 2.5 Pro Preview 06-05 outperforms in 3 benchmarks (GPQA, MMMU, SWE-Bench Verified), while GPT-4.5 is better at 1 benchmark (SimpleQA).

Gemini 2.5 Pro Preview 06-05 shows notably better performance in the majority of benchmarks.

Fri May 15 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Gemini 2.5 Pro Preview 06-05 costs less

For input processing, Gemini 2.5 Pro Preview 06-05 ($1.25/1M tokens) is 60.0x cheaper than GPT-4.5 ($75.00/1M tokens).

For output processing, Gemini 2.5 Pro Preview 06-05 ($10.00/1M tokens) is 15.0x cheaper than GPT-4.5 ($150.00/1M tokens).

In conclusion, GPT-4.5 is more expensive than Gemini 2.5 Pro Preview 06-05.*

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

Lowest available price from all providers
Fri May 15 2026 • llm-stats.com
Google
Gemini 2.5 Pro Preview 06-05
Input tokens$1.25
Output tokens$10.00
Best providerGoogle
OpenAI
GPT-4.5
Input tokens$75.00
Output tokens$150.00
Best providerOpenAI
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Gemini 2.5 Pro Preview 06-05 accepts 1,048,576 input tokens compared to GPT-4.5's 128,000 tokens. Gemini 2.5 Pro Preview 06-05 can generate longer responses up to 65,535 tokens, while GPT-4.5 is limited to 4,096 tokens.

Google
Gemini 2.5 Pro Preview 06-05
Input1,048,576 tokens
Output65,535 tokens
OpenAI
GPT-4.5
Input128,000 tokens
Output4,096 tokens
Fri May 15 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Gemini 2.5 Pro Preview 06-05 and GPT-4.5 support multimodal inputs.

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

Gemini 2.5 Pro Preview 06-05

Text
Images
Audio
Video

GPT-4.5

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 2.5 Pro Preview 06-05

Proprietary

Closed source

GPT-4.5

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 2.5 Pro Preview 06-05 was released on 2025-06-05, while GPT-4.5 was released on 2025-02-27.

Gemini 2.5 Pro Preview 06-05 is 3 months newer than GPT-4.5.

Gemini 2.5 Pro Preview 06-05

Jun 5, 2025

11 months ago

3mo newer
GPT-4.5

Feb 27, 2025

1.2 years ago

Knowledge Cutoff

When training data ends

Gemini 2.5 Pro Preview 06-05 has a documented knowledge cutoff of 2025-01-31, while GPT-4.5's cutoff date is not specified.

We can confirm Gemini 2.5 Pro Preview 06-05's training data extends to 2025-01-31, but cannot make a direct comparison without GPT-4.5's cutoff date.

Gemini 2.5 Pro Preview 06-05

Jan 2025

GPT-4.5

—

Provider Availability

Gemini 2.5 Pro Preview 06-05 is available from Google. GPT-4.5 is available from OpenAI.

Gemini 2.5 Pro Preview 06-05

google logo
Google
Input Price:Input: $1.25/1MOutput Price:Output: $10.00/1M

GPT-4.5

openai logo
OpenAI
Input Price:Input: $75.00/1MOutput Price:Output: $150.00/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Google
Larger context window (1,048,576 tokens)
Less expensive input tokens
Less expensive output tokens
Higher GPQA score (86.4% vs 69.5%)
Higher MMMU score (82.0% vs 75.2%)
Higher SWE-Bench Verified score (67.2% vs 38.0%)
OpenAI
Higher SimpleQA score (62.5% vs 54.0%)

Detailed Comparison

AI Model Comparison Table
Feature
Google
Gemini 2.5 Pro Preview 06-05
OpenAI
GPT-4.5

FAQ

Common questions about Gemini 2.5 Pro Preview 06-05 vs GPT-4.5.

Which is better, Gemini 2.5 Pro Preview 06-05 or GPT-4.5?

Gemini 2.5 Pro Preview 06-05 shows notably better performance in the majority of benchmarks. Gemini 2.5 Pro Preview 06-05 is made by Google and GPT-4.5 is made by OpenAI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Gemini 2.5 Pro Preview 06-05 compare to GPT-4.5 in benchmarks?

Gemini 2.5 Pro Preview 06-05 scores Global-MMLU-Lite: 89.2%, AIME 2025: 88.0%, FACTS Grounding: 87.8%, GPQA: 86.4%, VideoMMMU: 83.6%. GPT-4.5 scores GSM8k: 97.0%, MMLU: 90.8%, CharXiv-D: 90.0%, IFEval: 88.2%, HumanEval: 88.0%.

Is Gemini 2.5 Pro Preview 06-05 cheaper than GPT-4.5?

Gemini 2.5 Pro Preview 06-05 is 60.0x cheaper for input tokens. Gemini 2.5 Pro Preview 06-05 costs $1.25/M input and $10.00/M output via google. GPT-4.5 costs $75.00/M input and $150.00/M output via openai.

What are the context window sizes for Gemini 2.5 Pro Preview 06-05 and GPT-4.5?

Gemini 2.5 Pro Preview 06-05 supports 1.0M tokens and GPT-4.5 supports 128K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Gemini 2.5 Pro Preview 06-05 and GPT-4.5?

Key differences include context window (1.0M vs 128K), input pricing ($1.25 vs $75.00/M). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemini 2.5 Pro Preview 06-05 and GPT-4.5?

Gemini 2.5 Pro Preview 06-05 is developed by Google and GPT-4.5 is developed by OpenAI.