Token Counter & Cost Calculator
Real-time token counting and cost estimation for popular AI models
Input Text
Characters
0
Words
0
Tokens (est.)
0
Select Model
Cost Estimate
Input Cost
$0.000000
0 tokens × $2.5/1M
Output Cost (same length)
$0.000000
0 tokens × $10/1M
Total Round-Trip Cost
$0.000000
Note: Token counts are approximated using the 4-char rule. For exact counts, use the model's official tokenizer (e.g., tiktoken for OpenAI).
Context Window Limits
GPT-4o
128K
0.0% used
GPT-4 Turbo
128K
0.0% used
Claude 3.5 Sonnet
200K
0.0% used
Gemini 1.5 Pro
2M
0.0% used