2026 AI pricing calculator: GPT-5 Turbo, Claude 4, Grok-4, Gemini 2.5 Pro. Instant monthly cost, $/1M tokens comparison. Find your cheapest model now.

FAQs

1. Which AI model is cheapest in 2026?

ans. It depends on your input/output ratio, but in most cases Gemini 2.5 Flash or Grok-4 offer the lowest effective cost per million tokens in 2026 for medium-to-high volume usage. Use the calculator to see exact ranking for your numbers.

2.How much does GPT-5 cost per million tokens in 2026?

ans. OpenAI GPT-5 Turbo is priced at approximately $0.50 / 1M input tokens and $2.00 / 1M output tokens (mock 2026 pricing). The o3-Pro reasoning model is significantly more expensive (~$4 input / $16 output).

3. What is the cheapest large context model in 2026?

ans. Google Gemini 2.5 Pro offers one of the best price-to-context ratios with 2 million token context at roughly $0.40 input / $1.60 output per million tokens.

4. How do I calculate AI API costs for my project?

ans. Enter your estimated monthly input and output tokens into the calculator. It instantly shows monthly cost, annual cost, effective $/1M tokens, and ranks every major model from cheapest to most expensive for your usage pattern.

5. Is Grok-4 cheaper than Claude 4 in 2026?

ans. Yes — in most scenarios Grok-4 is priced lower than Claude 4 Sonnet and significantly lower than Claude 4 Opus while offering competitive performance and 128K context.

6. Are these 2026 AI API prices real or estimated?

ans. The prices shown are realistic mock / projected 2026 rates based on 2024–2025 pricing trends and public roadmap announcements. Actual prices may vary — always check the official provider pricing page for production use.

7. Which AI API has the biggest context window in 2026?

ans. Google Gemini 2.5 Pro leads with a 2 million token context window. Claude 4 Opus follows with 1 million tokens. Most other frontier models in 2026 offer 128K–256K.