AI API Pricing by Model

Pick two models to compare their API costs head to head, or open any model for its cached and batch prices.

Prices last checked: 30 Sept 2026 how

Price map

Lower left is cheaper

Standard rates per million tokens. The table below lists every model’s exact prices.

Model	Input / 1M	Output / 1M	Cached input / 1M
GPT-6 Astra OpenAI	$10	$50	$1
GPT-6 Sol OpenAI	$2	$10	$0.20
GPT-6 Luna OpenAI	$0.10	$0.50	$0.01
Claude Fable 5.1 Anthropic	$10	$50	$0.25
Claude Opus 5.5 Anthropic	$4	$20	$0.20
Claude Sonnet 5 Anthropic	$2	$10	$0.20
Claude Haiku 4.5 Anthropic	$1	$5	$0.10
Gemini 3.8 Flash Google	$0.75	$3.75	$0.075
Gemini 3.7 Flash Google	$0.75	$3.75	$0.075
Gemini 3.6 Flash Google	$0.75	$3.75	$0.075
Gemini 3.5 Flash Google	$1.50	$9	$0.15
Gemini 3.5 Flash-Lite Google	$0.30	$2.50	$0.03
Gemini 3.1 Flash-Lite Google	$0.25	$1.50	$0.025
Gemini 3.1 Pro Preview Google	$2	$12	$0.20
Gemini 3 Flash Preview Google	$0.50	$3	$0.05
Gemini 2.5 Pro Google	$1.25	$10	$0.125
Gemini 2.5 Flash Google	$0.30	$2.50	$0.03
Gemini 2.5 Flash-Lite Google	$0.10	$0.40	$0.01

Estimate monthly API cost across models, including caching and batch discounts.

Count words, characters and tokens, and see how much of each chatbot’s limit you use.