Multi-Model Token Cost Comparison
Compare API costs across 20 mainstream LLMs by pasting text or entering token counts, with per-call, daily and monthly cost rankings to pick the most cost-effective model.
FreeOnline Tool
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How to Use
- Choose an input mode: paste text to auto-estimate token counts, or switch to the token mode and enter input and output token counts directly.
- Set the daily call count (default 100) to match your expected workload.
- Click 'Calculate Cost'. The tool computes costs for 20 mainstream models (OpenAI, Anthropic, Google, DeepSeek, Alibaba, Mistral and more) using built-in reference prices.
- Review the cost ranking: cost per call (USD), daily cost (USD) and monthly cost (CNY). The 3 cheapest models are highlighted in green.
- Click 'Load Sample Data' for a quick demo, or edit any input and results update in real time.
Features
- Two input modes: paste text for automatic token estimation (about 1.5 characters per token for Chinese, 4 characters per token for English), or enter token counts directly.
- Built-in reference pricing for 20 mainstream LLMs from OpenAI, Anthropic, Google, DeepSeek, Alibaba, Together AI, Mistral and more.
- Cost ranking from low to high with the 3 cheapest models highlighted in green and a visual bar chart.
- Shows cost per call (USD), daily cost (USD) and monthly cost (CNY, converted at a reference exchange rate).
- Results recalculate in real time as inputs change.
Use Cases
Compare models before choosing
Feed the same token usage into the tool to compare per-call and monthly costs across GPT-4o, Claude, DeepSeek and other models.
Estimate launch budget
Enter your expected daily call volume to estimate a full month of API spending and check whether it fits the budget.
Find the cheapest alternative
Run the same text or token counts across all models; the 3 cheapest highlighted models are candidates for cutting costs.
Estimate cost from real text
Paste the actual text you plan to process to get an estimated token count and the corresponding cost without counting tokens manually.
FAQ
Is the pricing data up to date?
No. The tool ships with 2024-2025 public reference prices and they may change; a note on the page reminds you to check official pricing. Results are estimates only.
Is the token count from pasted text exact?
No, it is an estimate: about 1.5 characters per token for Chinese and 4 characters per token for English. Real counts depend on the tokenizer used.
How are daily and monthly costs calculated?
Monthly cost assumes 30 days; the CNY conversion uses a reference rate of 1 USD = 7.2 CNY.
How is output tokens determined in text mode?
In text mode, output tokens are estimated as 60 percent of input tokens (a typical input/output ratio). Switch to token mode to set both numbers manually.
Can I add custom models or prices?
Not currently. The comparison covers the 20 built-in models only.