DOCS: Update quota and pricing page (#21194)

docs/get-started/authentication.md

@@ -4,6 +4,10 @@ To use Gemini CLI, you'll need to authenticate with Google. This guide helps you
 quickly find the best way to sign in based on your account type and how you're
 using the CLI.
 
+> **Note:** Looking for a high-level comparison of all available subscriptions?
+> To compare features and find the right quota for your needs, see our
+> [Plans page](/plans/).
+
 For most users, we recommend starting Gemini CLI and logging in with your
 personal Google account.
 

docs/get-started/gemini-3.md

@@ -39,6 +39,10 @@ When you encounter that limit, you’ll be given the option to switch to Gemini
 2.5 Pro, upgrade for higher limits, or stop. You’ll also be told when your usage
 limit resets and Gemini 3 Pro can be used again.
 
+> **Note:** Looking to upgrade for higher limits? To compare subscription
+> options and find the right quota for your needs, see our
+> [Plans page](/plans/).
+
 Similarly, when you reach your daily usage limit for Gemini 2.5 Pro, you’ll see
 a message prompting fallback to Gemini 2.5 Flash.
 

docs/resources/quota-and-pricing.md

@@ -1,14 +1,13 @@
 # Gemini CLI: Quotas and pricing
 
 Gemini CLI offers a generous free tier that covers many individual developers'
-use cases. For enterprise or professional usage, or if you need higher limits,
+use cases. For enterprise or professional usage, or if you need increased quota,
 several options are available depending on your authentication account type.
 
-See [privacy and terms](./tos-privacy.md) for details on the Privacy Policy and
-Terms of Service.
+For a high-level comparison of available subscriptions and to select the right
+quota for your needs, see the [Plans page](/plans/).
 
-> **Note:** Published prices are list price; additional negotiated commercial
-> discounting may apply.
+## Overview
 
 This article outlines the specific quotas and pricing applicable to Gemini CLI
 when using different authentication methods.
@@ -23,10 +22,11 @@ Generally, there are three categories to choose from:
 
 ## Free usage
 
-Your journey begins with a generous free tier, perfect for experimentation and
-light use.
+Access to Gemini CLI begins with a generous free tier, perfect for
+experimentation and light use.
 
-Your free usage limits depend on your authorization type.
+Your free usage is governed by the following limits, which depend on your
+authorization type.
 
 ### Log in with Google (Gemini Code Assist for individuals)
 
@@ -78,14 +78,12 @@ Gemini CLI by upgrading to one of the following subscriptions:
   Learn more at
   [Gemini Code Assist Quotas and Limits](https://developers.google.com/gemini-code-assist/resources/quotas)
 
-- [Purchase a Gemini Code Assist Subscription through Google Cloud ](https://cloud.google.com/gemini/docs/codeassist/overview)
-  by signing up in the Google Cloud console. Learn more at
-  [Set up Gemini Code Assist](https://cloud.google.com/gemini/docs/discover/set-up-gemini).
+- [Purchase a Gemini Code Assist Subscription through Google Cloud](https://cloud.google.com/gemini/docs/codeassist/overview).
 
   Quotas and pricing are based on a fixed price subscription with assigned
   license seats. For predictable costs, you can sign in with Google.
 
-  This includes:
+  This includes the following request limits:
   - Gemini Code Assist Standard edition:
     - 1500 model requests / user / day
     - 120 model requests / user / minute
@@ -106,18 +104,27 @@ recommended path for uninterrupted access.
 
 To do this, log in using a Gemini API key or Vertex AI.
 
-- Vertex AI (Regular Mode):
-  - Quota: Governed by a dynamic shared quota system or pre-purchased
-    provisioned throughput.
-  - Cost: Based on model and token usage.
+### Vertex AI (regular mode)
+
+An enterprise-grade platform for building, deploying, and managing AI models,
+including Gemini. It offers enhanced security, data governance, and integration
+with other Google Cloud services.
+
+- Quota: Governed by a dynamic shared quota system or pre-purchased provisioned
+  throughput.
+- Cost: Based on model and token usage.
 
 Learn more at
 [Vertex AI Dynamic Shared Quota](https://cloud.google.com/vertex-ai/generative-ai/docs/resources/dynamic-shared-quota)
 and [Vertex AI Pricing](https://cloud.google.com/vertex-ai/pricing).
 
-- Gemini API key:
-  - Quota: Varies by pricing tier.
-  - Cost: Varies by pricing tier and model/token usage.
+### Gemini API key
+
+Ideal for developers who want to quickly build applications with the Gemini
+models. This is the most direct way to use the models.
+
+- Quota: Varies by pricing tier.
+- Cost: Varies by pricing tier and model/token usage.
 
 Learn more at
 [Gemini API Rate Limits](https://ai.google.dev/gemini-api/docs/rate-limits),
@@ -125,7 +132,8 @@ Learn more at
 
 It’s important to highlight that when using an API key, you pay per token/call.
 This can be more expensive for many small calls with few tokens, but it's the
-only way to ensure your workflow isn't interrupted by quota limits.
+only way to ensure your workflow isn't interrupted by reaching a limit on your
+quota.
 
 ## Gemini for workspace plans
 
@@ -135,12 +143,12 @@ Flow video editor). These plans do not apply to the API usage which powers the
 Gemini CLI. Supporting these plans is under active consideration for future
 support.
 
-## Check usage and quota
+## Check usage and limits
 
-You can check your current token usage and quota information using the
+You can check your current token usage and applicable limits using the
 `/stats model` command. This command provides a snapshot of your current
-session's token usage, as well as your overall quota and usage for the supported
-models.
+session's token usage, as well as information about the limits associated with
+your current quota.
 
 For more information on the `/stats` command and its subcommands, see the
 [Command Reference](../../reference/commands.md#stats).
@@ -149,17 +157,16 @@ A summary of model usage is also presented on exit at the end of a session.
 
 ## Tips to avoid high costs
 
-When using a Pay as you Go API key, be mindful of your usage to avoid unexpected
+When using a pay-as-you-go plan, be mindful of your usage to avoid unexpected
 costs.
 
-- Don't blindly accept every suggestion, especially for computationally
-  intensive tasks like refactoring large codebases.
-- Be intentional with your prompts and commands. You are paying per call, so
-  think about the most efficient way to get the job done.
-
-## Gemini API vs. Vertex
-
-- Gemini API (gemini developer api): This is the fastest way to use the Gemini
-  models directly.
-- Vertex AI: This is the enterprise-grade platform for building, deploying, and
-  managing Gemini models with specific security and control requirements.
+- **Be selective with suggestions**: Before accepting a suggestion, especially
+  for a computationally intensive task like refactoring a large codebase,
+  consider if it's the most cost-effective approach.
+- **Use precise prompts**: You are paying per call, so think about the most
+  efficient way to get your desired result. A well-crafted prompt can often get
+  you the answer you need in a single call, rather than multiple back-and-forth
+  interactions.
+- **Monitor your usage**: Use the `/stats model` command to track your token
+  usage during a session. This can help you stay aware of your spending in real
+  time.