Free AI token calculator and cost estimatorhttps://tokencalc.dev/en-ushttps://tokencalc.dev/blog/cheapest-llm-api-2026/https://tokencalc.dev/blog/cheapest-llm-api-2026/Find the cheapest LLM API in 2026. Compare pricing for GPT-4o, Claude, Gemini, Llama, and Mistral with cost-per-token breakdowns.Sun, 05 Apr 2026 00:00:00 GMThttps://tokencalc.dev/blog/claude-vs-gpt-4o-comparison-2026/https://tokencalc.dev/blog/claude-vs-gpt-4o-comparison-2026/Compare Claude and GPT-4o side by side — pricing, performance, context windows, and best use cases for developers building AI apps in 2026.Sun, 05 Apr 2026 00:00:00 GMThttps://tokencalc.dev/blog/how-to-estimate-llm-api-costs/https://tokencalc.dev/blog/how-to-estimate-llm-api-costs/Learn how to estimate LLM API costs before you start building. Practical formulas, real examples, and tools for accurate AI budget planning.Sun, 05 Apr 2026 00:00:00 GMThttps://tokencalc.dev/blog/llm-context-window-explained/https://tokencalc.dev/blog/llm-context-window-explained/Understand LLM context windows, how they affect AI app performance, and which models offer the largest context windows in 2026.Sun, 05 Apr 2026 00:00:00 GMThttps://tokencalc.dev/blog/openai-api-pricing-guide-2026/https://tokencalc.dev/blog/openai-api-pricing-guide-2026/Complete breakdown of OpenAI API pricing in 2026. Compare costs for GPT-4o, o1, o3-mini, and other models with real usage examples.Sun, 05 Apr 2026 00:00:00 GMThttps://tokencalc.dev/blog/openai-vs-anthropic-vs-google-api/https://tokencalc.dev/blog/openai-vs-anthropic-vs-google-api/Compare OpenAI, Anthropic, and Google AI APIs — pricing, models, features, rate limits, and developer experience to pick the right provider.Sun, 05 Apr 2026 00:00:00 GMThttps://tokencalc.dev/blog/reduce-llm-api-costs-tips/https://tokencalc.dev/blog/reduce-llm-api-costs-tips/Practical strategies to cut your LLM API spending by 50-90%. Covers prompt optimization, model selection, caching, and architecture tips.Sun, 05 Apr 2026 00:00:00 GMThttps://tokencalc.dev/blog/system-prompt-best-practices/https://tokencalc.dev/blog/system-prompt-best-practices/Learn system prompt best practices for ChatGPT, Claude, and other LLMs. Write clear, effective instructions that improve output quality.Sun, 05 Apr 2026 00:00:00 GMThttps://tokencalc.dev/blog/what-are-tokens-in-ai/https://tokencalc.dev/blog/what-are-tokens-in-ai/Learn what tokens in AI are, how tokenization works, and why tokens matter for ChatGPT, Claude, and other large language models.Sun, 05 Apr 2026 00:00:00 GMThttps://tokencalc.dev/blog/how-to-count-tokens-llm/https://tokencalc.dev/blog/how-to-count-tokens-llm/Learn how LLM tokenization works, why token counts matter, and how to count tokens accurately for OpenAI, Claude, and Gemini models.Sun, 05 Apr 2026 00:00:00 GMT