Model Comparison
Gemini 2.5 Pro Preview 06-05 vs GPT-4Which is better in 2026?
Gemini 2.5 Pro Preview 06-05 significantly outperforms across most benchmarks. Gemini 2.5 Pro Preview 06-05 is 10.9x cheaper per token.
Verdict: Gemini 2.5 Pro Preview 06-05 vs GPT-4 — which is better?
Gemini 2.5 Pro Preview 06-05 (by Google) and GPT-4 (by OpenAI) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.
Gemini 2.5 Pro Preview 06-05 outperforms in 1 benchmarks (GPQA), while GPT-4 is better at 0 benchmarks. Gemini 2.5 Pro Preview 06-05 significantly outperforms across most benchmarks.
On price, Gemini 2.5 Pro Preview 06-05 is roughly 10.9x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Gemini 2.5 Pro Preview 06-05 also accepts a larger context window (1,048,576 input tokens), making it the stronger choice for long documents and large codebases.
Choose Gemini 2.5 Pro Preview 06-05 if…
- you want the strongest raw capability — it leads on 1 of 1 shared benchmarks
- cost matters — it's about 10.9x 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 Jun 2025
Choose GPT-4 if…
- you want predictable pricing at $30.00/M input and $60.00/M output
Performance Benchmarks
Comparative analysis across standard metrics
Gemini 2.5 Pro Preview 06-05 outperforms in 1 benchmarks (GPQA), while GPT-4 is better at 0 benchmarks.
Gemini 2.5 Pro Preview 06-05 significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, Gemini 2.5 Pro Preview 06-05 ($1.25/1M tokens) is 24.0x cheaper than GPT-4 ($30.00/1M tokens).
For output processing, Gemini 2.5 Pro Preview 06-05 ($10.00/1M tokens) is 6.0x cheaper than GPT-4 ($60.00/1M tokens).
In conclusion, GPT-4 is more expensive than Gemini 2.5 Pro Preview 06-05.*
* Using a 3:1 ratio of input to output tokens
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's 32,768 tokens. Gemini 2.5 Pro Preview 06-05 can generate longer responses up to 65,535 tokens, while GPT-4 is limited to 32,768 tokens.
Input Capabilities
Supported data types and modalities
Both Gemini 2.5 Pro Preview 06-05 and GPT-4 support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Gemini 2.5 Pro Preview 06-05
GPT-4
License
Usage and distribution terms
Both models are licensed under proprietary licenses.
Both models have usage restrictions defined by their respective organizations.
Proprietary
Closed source
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 was released on 2023-06-13.
Gemini 2.5 Pro Preview 06-05 is 24 months newer than GPT-4.
Jun 5, 2025
1.1 years ago
2.0yr newerJun 13, 2023
3.0 years ago
Knowledge Cutoff
When training data ends
Gemini 2.5 Pro Preview 06-05 has a knowledge cutoff of 2025-01-31, while GPT-4 has a cutoff of 2022-12-31.
Gemini 2.5 Pro Preview 06-05 has more recent training data (up to 2025-01-31), making it potentially better informed about events through that date compared to GPT-4 (2022-12-31).
Jan 2025
2.1 yr newerDec 2022
Provider Availability
Gemini 2.5 Pro Preview 06-05 is available from Google. GPT-4 is available from Azure, OpenAI.
Gemini 2.5 Pro Preview 06-05
GPT-4
Outputs Comparison
Key Takeaways
GPT-4
View detailsOpenAI
No standout differentiators in the data we have for this pair.
Detailed Comparison
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FAQ
Common questions about Gemini 2.5 Pro Preview 06-05 vs GPT-4.