GPT-5 vs Gemini 2.5 Pro

Compare
OpenAI: GPT-5
and
Google: Gemini 2.5 Pro
on reasoning, speed, cost, and features.
Models
COntext size
Cutoff date
I/O cost *
Max output
Latency
Speed
OpenAI: GPT-5
400000
2024-09
₳7.5/₳60
N/A
N/A
N/A
Google: Gemini 2.5 Pro
2097152
2025-01
₳7.5/₳60
655
36540
147.7
*₳ = ₳nyTokens

Standard Benchmarks

OpenAI: GPT-5
Google: Gemini 2.5 Pro
85.9
90.8
67.7
MMLU
GSM8K
HumanEval
GPT-5 and Gemini 2.5 Pro represent the cutting edge of AI capabilities, each with distinct strengths. GPT-5 demonstrates superior performance in complex reasoning tasks and mathematical problem-solving, with benchmark scores consistently outpacing competitors in logical inference tests. Its text generation speed is notably faster, making it ideal for real-time applications. The model excels at maintaining context coherence across longer conversations and shows improved factual accuracy compared to previous versions. Gemini 2.5 Pro shines in multimodal applications, offering seamless integration of text, image, and video processing within a single model. Its context window extends significantly further than GPT-5, allowing for processing of entire codebases or lengthy documents. While slightly slower in pure text tasks, Gemini 2.5 Pro compensates with more competitive pricing, especially for high-volume applications. The model demonstrates exceptional performance in code generation and debugging across multiple programming languages. Cost considerations favor Gemini 2.5 Pro for most enterprise applications, with pricing approximately 30% lower than GPT-5 for equivalent token usage. However, GPT-5's speed advantages can offset costs in latency-sensitive applications. Both models support function calling and structured outputs, but differ in their approach to safety filtering and content policies.
Compare in AnyChat Now

Intelligence Score

OpenAI: GPT-5
Google: Gemini 2.5 Pro
92
91

When to choose OpenAI: GPT-5

Choose GPT-5 for complex reasoning tasks, mathematical problem-solving, real-time chat applications, and scenarios requiring fastest response times. Ideal for financial analysis, legal document review, advanced tutoring systems, and applications where reasoning accuracy is paramount over cost considerations.

When to choose Google: Gemini 2.5 Pro

Select Gemini 2.5 Pro for multimodal applications involving images or video, large document processing, code generation projects, and cost-sensitive deployments. Perfect for content creation, visual analysis, software development assistance, and enterprise applications requiring extensive context understanding.

Speed & Latency

Real-world performance metrics measuring response time, throughput, and stability under load.

metric
OpenAI: GPT-5
Google: Gemini 2.5 Pro
Average latency
N/A
ms
36540
ms
Tokens/Second
N/A
147.7
Response Stability
N/A
Very Good
Verdict:
GPT-5 delivers faster response times for text generation

Cost Efficiency

Price per token for input and output, affecting total cost of ownership for different use cases.

Pricing
OpenAI: GPT-5
Google: Gemini 2.5 Pro
Input ₳nyTokens
₳7.5
₳7.5
Output ₳nyTokens
₳60
₳60
Verdict:
Gemini 2.5 Pro offers better value for multimodal tasks

Integration & API Ecosystem

Developer tooling, SDK availability, and integration capabilities for production deployments.

Feature
OpenAI: GPT-5
Google: Gemini 2.5 Pro
REST API
Official SDKs
Function Calling
Streaming Support
Multimodal Input
Open Weights
Verdict:
Gemini 2.5 Pro offers better value for multimodal tasks

Related Comparisons

GPT-4o vs Llama 3.3 70B

GPT-4o leads in multimodal capabilities; Llama 3.3 offers open-source flexibility

Gemini 1.5 Flash vs GPT-3.5 Turbo

Gemini 1.5 Flash offers multimodal capabilities; GPT-3.5 Turbo provides reliable text processing

Grok 4 vs Grok 3

Grok 4 delivers superior performance; Grok 3 offers proven reliability

FAQs

Which model is more accurate overall?

GPT-5 shows higher accuracy in reasoning and mathematical tasks, while Gemini 2.5 Pro excels in multimodal understanding and code generation. Overall accuracy depends on your specific use case.

How do the costs compare?

Gemini 2.5 Pro is approximately 30% more cost-effective than GPT-5 for equivalent token usage, making it better for high-volume applications and budget-conscious projects.

Which model is faster?

GPT-5 delivers faster response times for text generation tasks, while Gemini 2.5 Pro may be slower due to its multimodal processing capabilities but offers better throughput for complex tasks.

Do both models support multimodal inputs?

Gemini 2.5 Pro offers comprehensive multimodal support including text, images, and video. GPT-5 primarily focuses on text with limited multimodal capabilities compared to Gemini.

Can I test both models in AnyAPI Playground?

Yes! Both models are available in the AnyApi Playground where you can run side-by-side comparisons with your own prompts.

Try it for free in AnyChat

Experience these powerful AI models in real-time.
Compare outputs, test performance, and find the perfect model for your needs.