Token Costs, Pricing & LLM Guides
Practical breakdowns of AI tokens, model pricing, and tokenization — so you know what your prompts really cost before you ship to production.
Tiktoken WASM gives exact counts for OpenAI, Transformers.js runs ±3% off for open-weight models, and character-based estimators drift 15–20% from the real bill. Pick the right tool for your stack.
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GPT-5.6 family (Sol / Cyber / Terra / Luna), o-series, and GPT-4o prices per million tokens, with cache and batch discounts.
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Claude Opus 5, Sonnet 5, and Haiku 4.5 prices, plus how Anthropic's private tokenizer makes Claude count 10–20% more tokens than GPT-4o.
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Gemini 2.5 Pro, 3.6 Flash, and 3.1 Pro prices, plus long-context tier above 200k input and SentencePiece tokenizer differences.
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Real input, output, and cached rates for 7 flagship providers, with monthly workload cost examples from 1M to 100M tokens.
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Side-by-side pricing for 7 flagship providers, sorted by total cost per million tokens. Updated 2026-09.
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DeepSeek V4 Flash off-peak vs peak rates, cache hit pricing, and why it undercuts GPT-5 mini by 8–10× on long context.
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Qwen3.7-Max and Qwen3.8 Max-Prime prices via Alibaba Cloud Model Studio, with RMB-to-USD conversion explained.
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Llama 4 Maverick vs Scout pricing via AWS Bedrock. 17B×128E MoE architecture, 10M context window.
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