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HomeToolsAI API Cost Calculator

Developer utility

• Updated Feb 22, 2026

AI API Cost Calculator

Compare API costs across GPT-4, Claude, Gemini, Llama, DeepSeek & more. Estimate per-request, daily, and monthly expenses.

Key Takeaway (AI Summary)

The AI API Cost Calculator is a zero-knowledge, browser-native utility that compare api costs across gpt-4, claude, gemini, llama, deepseek & more. estimate per-request, daily, and monthly expenses with 100% privacy guarantee.

Client-side only
No signup
Instant outputPrivate by designZero tracking

Usage Parameters

Cheapest (Monthly)
$0.675
Gemini 1.5 Flash
Most Expensive
$157.50
Claude 3 Opus
Potential Savings
$156.82
per month

Cost Comparison (sorted by monthly cost)

ModelProviderPer RequestDailyMonthly$/M Input$/M Output
Gemini 1.5 FlashGoogle$0.0002$0.022$0.675$0.07$0.30
GPT-4o miniOpenAI$0.0004$0.045$1.35$0.15$0.60
DeepSeek V3DeepSeek$0.0008$0.082$2.46$0.27$1.10
Claude 3 HaikuAnthropic$0.0009$0.088$2.63$0.25$1.25
Llama 3.1 405B (Groq)Meta/Groq$0.0010$0.099$2.96$0.59$0.79
Llama 3.1 70B (Groq)Meta/Groq$0.0010$0.099$2.96$0.59$0.79
GPT-3.5 TurboOpenAI$0.0013$0.125$3.75$0.50$1.50
Gemini 1.5 ProGoogle$0.0037$0.375$11.25$1.25$5.00
Mistral LargeMistral$0.0075$0.750$22.50$3.00$9.00
Claude 3.5 SonnetAnthropic$0.010$1.05$31.50$3.00$15.00
Cohere Command R+Cohere$0.010$1.05$31.50$3.00$15.00
GPT-4oOpenAI$0.013$1.25$37.50$5.00$15.00
GPT-4 TurboOpenAI$0.025$2.50$75.00$10.00$30.00
Claude 3 OpusAnthropic$0.052$5.25$157.50$15.00$75.00

Estimate and compare API costs across major LLM providers. Prices are approximate and may change — check provider pricing pages for the latest rates.

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How much do AI APIs cost in 2026? Use our LLM Pricing Calculator.

Estimate and compare API costs across 14+ industry-leading models including GPT-4o, Claude 3.5, and Gemini 1.5. This calculator helps you navigate the complex landscape of **LLM Tokenomics**, where price-per-token can vary by up to 100x between flagship and mini models.

Navigating the 2026 AI Price Wars

The cost of intelligence is falling, but architectural decisions still carry massive financial implications. Senior developers use this tool to determine the **Unit Economics** of their AI features.

- **Flagship vs. Mini Models**: While GPT-4o and Claude 3.5 Sonnet provide peak reasoning, "mini" models like GPT-4o mini and Gemini 1.5 Flash offer near-parity for structured data extraction at a fraction of the cost. Our calculator allows you to see the exact crossover point where switching models saves thousands.

- **Context Window Pricing**: Many providers now offer tiered pricing or "cached" tokens. While our calculator focuses on raw I/O, it helps you estimate the baseline cost for massive context ingestion which is critical for RAG (Retrieval-Augmented Generation) architectures.

- **Provider Multi-Latency**: Compare prices from direct providers (OpenAI/Anthropic) vs. aggregators like Amazon Bedrock, Google Vertex AI, or Groq to find the lowest margin for your specific region.

Models & Pricing Analyzed

Our database is updated weekly with the latest pricing from 2026 benchmarks:

- **OpenAI**: GPT-4o, GPT-4o mini, o1-preview, and legacy GPT-4 / 3.5 models.

- **Anthropic**: The full Claude 3 family (Opus, Sonnet, Haiku) and the latest 3.5 iterations.

- **Google**: Gemini 1.5 Pro and Flash with a focus on their massive context support.

- **Open Source (via Groq/Together)**: Llama 3.1 405B/70B, DeepSeek V3, and Mistral Large.

- **Specialized**: DeepSeek-Coder and other domain-specific models for programming tasks.

Features of the Cost Estimator:

- **Per-Request Precision**: Enter your expected input and output tokens (e.g., a 1,000 token system prompt and 500 token response).

- **Daily & Monthly Projections**: Scale your estimates to 1k, 10k, or 1M requests per day to see your monthly burn.

- **Batch API Support**: Calculate potential savings when using "Batch" or "Offline" API modes which typically offer 50% discounts.

- **Sort by ROI**: Automatically rank models by the lowest cost for your specific token distribution.

Stop guessing your cloud bill. Use the DevUtility Hub AI API Cost Calculator to build sustainable, high-margin AI products. 100% browser-based and updated for the 2026 AI economy.

Zero-Knowledge Execution & Edge Architecture

Unlike traditional monolithic developer utilities, DevUtility Hub operates entirely on a Zero-Knowledge architectural framework. When utilizing the AI API Cost Calculator, all computational workload is completely shifted to your local execution environment via WebAssembly (Wasm) and your browser's native JavaScript engine (such as V8 or SpiderMonkey).

Why Local Workloads Matter

Transmitting proprietary JSON objects, sensitive source code, or unencrypted text strings to an unknown third-party server introduces critical security vulnerabilities. By executing the AI API Cost Calculator securely within the isolated sandbox of your Document Object Model (DOM), we structurally guarantee strict compliance with major data protection regulations like GDPR, CCPA, and HIPAA. We do not ingest, log, or telemetry your text payloads. Your local RAM serves as the absolute boundary.

Network-Free Performance

Furthermore, by completely eliminating asynchronous HTTP POST payloads to a centralized cloud infrastructure, we guarantee effectively zero latency. The AI API Cost Calculator provides instant execution without arbitrary rate limits, artificial file size constraints, or server timeouts. Our global edge network serves the application wrapper, while your local machine handles the heavy lifting.

N
Nick Osta

Senior DevTools Architect • 15+ Yeaers Exp.

Subject Matter Expert Reviewed

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