AI Utilities & Tools

Comprehensive collection of AI-powered utilities for developers. Count tokens, calculate costs, and optimize your LLM usage across all major providers.

22 Models Supported
Real-time Token Counting
Cost Estimation

Prompt Engineering

Design, test, and optimize your AI prompts with our comprehensive prompt engineering tools.

Featured Tool
AI Prompt Engineering Helper
Create reusable prompt templates with variable substitution, real-time preview, and token counting
Template Management
Variable Substitution
Real-time Preview
Token Counting
Launch Prompt Engineer

LLM Token Counters

Accurate token counting and cost estimation for all major language models. Compare pricing and optimize your AI usage.

OpenAI Models

8 models available

fast
OpenAI
GPT-o4 Mini
Compact reasoning model with multimodal capabilities and tool integration
Context:
200K tokens
Input:
$1.2/1M
Count Tokens
flagship
OpenAI
GPT-o3
Advanced reasoning model with enhanced problem-solving and increased focus
Context:
200K tokens
Input:
$60.0/1M
Count Tokens
fast
OpenAI
GPT-o3 Mini
Efficient reasoning model with deliberative alignment safety mechanism
Context:
200K tokens
Input:
$1.2/1M
Count Tokens
flagship
OpenAI
GPT-4o
Most advanced GPT-4 model with multimodal capabilities
Context:
128K tokens
Input:
$5.0/1M
Count Tokens
fast
OpenAI
GPT-4o Mini
Affordable and intelligent small model for fast, lightweight tasks
Context:
128K tokens
Input:
$0.15/1M
Count Tokens
balanced
OpenAI
GPT-4 Turbo
High-performance model with large context window
Context:
128K tokens
Input:
$10.0/1M
Count Tokens
legacy
OpenAI
GPT-4
Original GPT-4 with enhanced reasoning capabilities
Context:
8K tokens
Input:
$30.0/1M
Count Tokens
fast
OpenAI
GPT-3.5 Turbo
Fast, efficient, and cost-effective model for most use cases
Context:
16K tokens
Input:
$0.50/1M
Count Tokens

Anthropic Models

8 models available

flagship
Anthropic
Claude Opus 4
Most capable model for complex reasoning and coding
Context:
200K tokens
Input:
$15.0/1M
Count Tokens
flagship
Anthropic
Claude Sonnet 4
High-performance model with exceptional reasoning
Context:
200K tokens
Input:
$3.0/1M
Count Tokens
flagship
Anthropic
Claude 3.7 Sonnet
High-performance model with early extended thinking
Context:
200K tokens
Input:
$3.0/1M
Count Tokens
balanced
Anthropic
Claude 3.5 Sonnet
Intelligent model with strong performance across tasks
Context:
200K tokens
Input:
$3.0/1M
Count Tokens
fast
Anthropic
Claude 3.5 Haiku
Fastest, most cost-effective model for simple tasks
Context:
200K tokens
Input:
$0.80/1M
Count Tokens
legacy
Anthropic
Claude 3 Opus
Most powerful Claude 3 model for complex tasks
Context:
200K tokens
Input:
$15.0/1M
Count Tokens
legacy
Anthropic
Claude 3 Sonnet
Balanced intelligence and speed for most tasks
Context:
200K tokens
Input:
$3.0/1M
Count Tokens
fast
Anthropic
Claude 3 Haiku
Fastest Claude 3 model for everyday tasks
Context:
200K tokens
Input:
$0.25/1M
Count Tokens

Google Models

6 models available

flagship
Google
Gemini 2.5 Pro Preview
Latest Gemini model with enhanced capabilities
Context:
8.2M tokens
Input:
$1.3/1M
Count Tokens
fast
Google
Gemini 2.5 Flash Preview
Fast and efficient Gemini 2.5 model
Context:
1.0M tokens
Input:
$0.15/1M
Count Tokens
balanced
Google
Gemini 2.0 Flash
Fast multimodal model with enhanced performance
Context:
1.0M tokens
Input:
$0.10/1M
Count Tokens
balanced
Google
Gemini 1.5 Pro
High-performance model with large context window
Context:
2.1M tokens
Input:
$1.3/1M
Count Tokens
fast
Google
Gemini 1.5 Flash
Fast and efficient model for quick tasks
Context:
1.0M tokens
Input:
$0.07/1M
Count Tokens
fast
Google
Gemini 1.5 Flash 8B
Compact 8B parameter model for simple tasks
Context:
1.0M tokens
Input:
$37.5/1M
Count Tokens

More AI Tools Coming Soon

We're continuously expanding our AI utilities collection. Stay tuned for more tools including model comparisons, advanced analytics, and AI workflow automation.