The equivalent of AWS Lambda in Google Cloud Platform (GCP) is Google Cloud Functions. Both services are serverless compute platforms that enable you to run your code in response to events without needing to provision or manage servers.

Key Features of Google Cloud Functions:

1. Event-Driven: Automatically runs your code in response to events. These events can originate from various GCP services like Cloud Storage, Pub/Sub, Firestore, etc.

2. Serverless: Eliminates the need to manage infrastructure. You simply deploy your code, and Google Cloud takes care of the underlying servers, scaling, and high availability.

3. Supports Multiple Languages: Cloud Functions supports Node.js, Python, Go, Java, .NET, Ruby, and PHP, allowing flexibility in your choice of programming language.

4. Scalability: Automatically scales depending on the number of requests or events, ensuring performance even with high workloads.

5. Integrated with GCP Services: Seamlessly integrates with other Google Cloud services, allowing easy extension of applications and utilization of GCP’s powerful data analytics, machine learning, and storage capabilities.

6. Use Cases: Ideal for lightweight, event-driven applications. Common use cases include data processing, webhooks, IoT, real-time file processing, and creating REST APIs.

Comparing Google Cloud Functions and AWS Lambda:

• Language Support: Both services support multiple programming languages, but the specific versions and languages may vary.
• Integration: Lambda integrates deeply with AWS services, while Cloud Functions are optimized for GCP services.
• Pricing: Both offer a pay-as-you-go model, but their pricing structures have differences in terms of free tier, execution time, and resource allocation.
• Performance: Both provide auto-scaling, but their performance can vary based on the use case, runtime, and configurations.

Choosing between Google Cloud Functions and AWS Lambda often depends on your existing cloud infrastructure and specific requirements of your application. If you’re already using GCP for other services, Cloud Functions might be the more integrated and convenient choice.