What will your LLM API bill actually be?

Pick a model, enter your token usage, and see the real cost in seconds — official prices only, verified 2026-10-27, no sign-up. Stop guessing before the invoice arrives.

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Cost per call

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Estimated monthly cost

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Add up to 4 models, same usage, sorted by cost.

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Official price vs gateway price

The OpenAI, Anthropic and Google models tracked here are priced above at the official list rate. We have not found a gateway that sells them cheaper with a verifiable public price, so no gateway row is shown — we never estimate one.

Using open-weight models instead (DeepSeek, Qwen, Llama, gpt-oss)? See our Novita AI gateway prices, or go toNovita AI (affiliate).Disclosure.

Current official prices

USD per 1M tokens. Prices verified 2026-10-27 — see each model's page for its own verification date.

ModelProviderInputOutputCached inputVerified
GPT-6 AstraOpenAI$10$50$12026-10-25
GPT-6.1 SolOpenAI$2$10$0.12026-10-25
Claude Sonnet 5.5Anthropic$2$10$0.12026-10-25
Claude Haiku 5.5Anthropic$0.1$0.5$0.012026-10-25
Gemini 4 ArgonGoogle$2$10$0.12026-10-24
GPT-6 LunaOpenAI$0.1$0.5$0.012026-10-25
Claude Opus 5.5Anthropic$4$20$0.22026-10-25
Gemini 3.1 ProGoogle$2$12$0.22026-10-25
Gemini 3.8 FlashGoogle$0.75$3.75$0.0752026-10-25
Gemini 3.1 Flash-LiteGoogle$0.25$1.5$0.0252026-10-25
DeepSeek V4 ProDeepSeek$1.32$3.96$0.0442026-10-26
DeepSeek V4.1 FlashDeepSeek$0.3$1.2$0.0062026-10-26
GPT-6 SolOpenAI$2$10$0.22026-10-25
GPT-5.6 SolOpenAI$4$20$0.42026-10-25
GPT-5.6 TerraOpenAI$2$12$0.22026-10-25
GPT-5.6 LunaOpenAI$0.2$1.2$0.022026-10-25
Claude Opus 5Anthropic$5$25$0.52026-10-25
Claude Sonnet 5Anthropic$2$10$0.22026-10-25
Gemini 3.6 FlashGoogle$0.75$3.75$0.0752026-10-26
Gemini 3.5 Flash-LiteGoogle$0.3$2.5$0.032026-10-26
Grok 4.7xAI$2$6$0.52026-10-26
Grok 4.6xAI$2$6$0.52026-10-26
Grok 4.5xAI$2$6$0.32026-10-26
Grok 4.3xAI$1.25$2.5$0.22026-10-26
Kimi K3.1 ProKimi$2$10$0.22026-10-26
Kimi K3.1 Pro HighspeedKimi$4$20$0.22026-10-26
Kimi K3Kimi$3$15$0.32026-10-26
GPT-5 MiniOpenAI$0.25$2$0.0252026-10-26
GPT-4o MiniOpenAI$0.15$0.6$0.0752026-10-26
GPT-4oOpenAI$2.5$10$1.252026-10-26
GPT-4.1OpenAI$2$8$0.52026-10-26
GPT-4.1 MiniOpenAI$0.4$1.6$0.12026-10-26
Claude Sonnet 4.5Anthropic$3$15$0.32026-10-26
Gemini 2.5 FlashGoogle$0.3$2.5$0.032026-10-26
Gemini 2.5 ProGoogle$1.25$10$0.1252026-10-26
Kimi K2.6Kimi$0.95$4$0.162026-10-27
Kimi K2.7 CodeKimi$0.95$4$0.192026-10-27
Kimi K2.7 Code HighspeedKimi$1.9$8$0.382026-10-27
Mistral Large 4Mistral$1.36$4.18$0.142026-10-27
Mistral Medium 3.5Mistral$1.5$7.5$0.152026-10-27
Claude Fable 5.1Anthropic$10$50$0.252026-10-27
Claude Fable 5Anthropic$10$50$12026-10-27
Perplexity SonarPerplexity$0.25$2.5$0.06252026-10-27

Popular model calculators

GPT-6 Astra cost calculatorOpenAI · $10 in / $50 out per 1MGPT-6.1 Sol cost calculatorOpenAI · $2 in / $10 out per 1MClaude Sonnet 5.5 cost calculatorAnthropic · $2 in / $10 out per 1MClaude Haiku 5.5 cost calculatorAnthropic · $0.1 in / $0.5 out per 1MGemini 4 Argon cost calculatorGoogle · $2 in / $10 out per 1MGPT-6 Luna cost calculatorOpenAI · $0.1 in / $0.5 out per 1MClaude Opus 5.5 cost calculatorAnthropic · $4 in / $20 out per 1MGemini 3.1 Pro cost calculatorGoogle · $2 in / $12 out per 1MGemini 3.8 Flash cost calculatorGoogle · $0.75 in / $3.75 out per 1MGemini 3.1 Flash-Lite cost calculatorGoogle · $0.25 in / $1.5 out per 1MOpenAI GPT OSS 120B cost calculatorNovita AI · $0.05 in / $0.25 out per 1MLlama 4 Maverick Instruct cost calculatorNovita AI · $0.27 in / $0.85 out per 1MDeepSeek R1 0528 cost calculatorNovita AI · $0.7 in / $2.5 out per 1MQwen3.8 Max cost calculatorNovita AI · $2 in / $6 out per 1MDeepSeek V4 Pro cost calculatorDeepSeek · $1.32 in / $3.96 out per 1MDeepSeek V4.1 Flash cost calculatorDeepSeek · $0.3 in / $1.2 out per 1MGPT-6 Sol cost calculatorOpenAI · $2 in / $10 out per 1MGPT-5.6 Sol cost calculatorOpenAI · $4 in / $20 out per 1MGPT-5.6 Terra cost calculatorOpenAI · $2 in / $12 out per 1MGPT-5.6 Luna cost calculatorOpenAI · $0.2 in / $1.2 out per 1MClaude Opus 5 cost calculatorAnthropic · $5 in / $25 out per 1MClaude Sonnet 5 cost calculatorAnthropic · $2 in / $10 out per 1MGemini 3.6 Flash cost calculatorGoogle · $0.75 in / $3.75 out per 1MGemini 3.5 Flash-Lite cost calculatorGoogle · $0.3 in / $2.5 out per 1MGrok 4.7 cost calculatorxAI · $2 in / $6 out per 1MGrok 4.6 cost calculatorxAI · $2 in / $6 out per 1MGrok 4.5 cost calculatorxAI · $2 in / $6 out per 1MGrok 4.3 cost calculatorxAI · $1.25 in / $2.5 out per 1MKimi K3.1 Pro cost calculatorKimi · $2 in / $10 out per 1MKimi K3.1 Pro Highspeed cost calculatorKimi · $4 in / $20 out per 1MKimi K3 cost calculatorKimi · $3 in / $15 out per 1MGPT-5 Mini cost calculatorOpenAI · $0.25 in / $2 out per 1MGPT-4o Mini cost calculatorOpenAI · $0.15 in / $0.6 out per 1MGPT-4o cost calculatorOpenAI · $2.5 in / $10 out per 1MGPT-4.1 cost calculatorOpenAI · $2 in / $8 out per 1MGPT-4.1 Mini cost calculatorOpenAI · $0.4 in / $1.6 out per 1MClaude Sonnet 4.5 cost calculatorAnthropic · $3 in / $15 out per 1MGemini 2.5 Flash cost calculatorGoogle · $0.3 in / $2.5 out per 1MGemini 2.5 Pro cost calculatorGoogle · $1.25 in / $10 out per 1MKimi K2.6 cost calculatorKimi · $0.95 in / $4 out per 1MKimi K2.7 Code cost calculatorKimi · $0.95 in / $4 out per 1MKimi K2.7 Code Highspeed cost calculatorKimi · $1.9 in / $8 out per 1MMistral Large 4 cost calculatorMistral · $1.36 in / $4.18 out per 1MMistral Medium 3.5 cost calculatorMistral · $1.5 in / $7.5 out per 1MClaude Fable 5.1 cost calculatorAnthropic · $10 in / $50 out per 1MClaude Fable 5 cost calculatorAnthropic · $10 in / $50 out per 1MOpenAI GPT OSS 20B cost calculatorNovita AI · $0.04 in / $0.15 out per 1MPerplexity Sonar cost calculatorPerplexity · $0.25 in / $2.5 out per 1M

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Frequently asked questions

How accurate are these prices?

Every price comes from the provider’s official pricing page and is cross-checked against a second source. Each model shows the date its price was last verified, and the full dataset is re-checked weekly. Where a provider has not published a figure, we show “Not published” rather than inventing one.

What is the difference between official and gateway prices?

Official prices are what OpenAI, Anthropic, Google and other makers charge for direct API access. Gateways such as OpenRouter resell access at their own rates, which can differ. This calculator defaults to official prices and always labels the source — many calculators mix the two without telling you.

How does the cost calculator work?

Pick a model, enter input / output / cached token counts (or paste text to estimate tokens), and optionally set call volume. Cost = (input × input price + output × output price + cached × cached price) ÷ 1,000,000, then multiplied by your call count. All math runs in your browser; your text is never uploaded.

How are tokens counted when I paste text?

For OpenAI models we count with the real o200k tokenizer in your browser. Anthropic and Google publish no official browser tokenizer for current models, so those counts are labeled estimates. Your text is never uploaded anywhere.

How do you rank models, and do affiliates change the order?

Rankings and comparisons on this site are sorted by price only. Some links are affiliates (currently Novita AI), marked “(affiliate)” and disclosed on the About page. Commissions never change a listed price, a calculator result, or ranking order.