Models & Pricing

Every model, its limits, and its exact price

Chat models

ModelBest forContext windowMax outputInput $/1MOutput $/1M
deepseek-v4-proHardest reasoning tasks1,000,000384,000$0.392$0.783
deepseek-v4-flashFast, cheap default workhorse1,000,000384,000$0.081$0.162
deepseek-v4-flash-0731Pinned V4-Flash snapshot1,048,576384,000$0.20$0.50
deepseek-v3.2Solid general model128,000128,000$0.186$0.280
kimi-k2.7-codeCoding and agentic coding262,144262,144$0.639$3.150
kimi-k2.6General and long-form262,144262,144$0.581$2.448
kimi-k3Long-context reasoning and agents1,048,576262,144$2.50$14.00
gpt-5.6-solFrontier flagship1,000,000128,000$2.40$14.00
gpt-5.6-terraFrontier, balanced cost1,000,000128,000$1.80$10.00
gpt-5.6-lunaFrontier, budget1,000,000128,000$0.18$1.10

Prices are per million tokens, input and output priced separately. Models with cached-input pricing bill cache hits at a discount; the live rate is on GET /v1/models.

gpt-5.6-sol, gpt-5.6-terra, and gpt-5.6-luna are the only models that serve /v1/responses, in addition to chat completions. The other chat models serve chat completions only.

Requests that omit the output-limit field get a per-model default: 4,096 tokens for deepseek-v3.2, 8,192 tokens for every other chat model listed above.

Image generation models

Four models serve POST /v1/images/generations. Image requests are never billed by tokens — the price is fixed by the request itself and the receipt settles at exactly that amount.

FLUX — billed per megapixel

ModelBest forPrice
flux-1-schnellFast, cheap generations$0.002 per megapixel
flux-pro-1.1Higher-fidelity generations$0.04 per megapixel

FLUX models accept any WIDTHxHEIGHT size with each side 256–2560 px and an area up to 4 megapixels, billed as ceil(width × height / 2²⁰) megapixels — a 1024x1024 image is 1 MP; 1600x1024 rounds up to 2 MP.

GPT Image — billed per image (quality × size)

gpt-image-2

Quality1024×10241024×15361536×1024
low$0.005$0.004$0.004
medium$0.043$0.031$0.031
high$0.151$0.125$0.125

gpt-image-1.5

Quality1024×10241024×15361536×1024
low$0.008$0.009$0.009
medium$0.024$0.040$0.040
high$0.113$0.100$0.100

Omitted size and quality default to 1024x1024 and high. Requesting n images multiplies the per-image price by n (up to 4). See Image Generation for the full parameter reference.

GET /v1/models is the authoritative live list, including current pricing. Prices on this page are current as of 2026-08-31. See Models & Receipts for the endpoint reference.