API surfaces (same key, same balance)

Billing unit is a quick compatibility signal: token or OpenAI path ≈ SDK drop-in; page / request / second / characters ≈ dedicated docs path.

OpenAI-compatible

/v1/chat/completions — GPT-class, Claude, DeepSeek, GLM, Kimi
/v1/images/generations — text-to-image
/v1/audio/transcriptions — Whisper
/v1/audio/speech — sync TTS

Dedicated REST (see docs)

OCR / docs — often per page
Vision tools (matting, detect, upscale) — per request
Async TTS / video / digital human — per chars / request / second

Headline prices

Indicative KeyoAPI sell rates for planning. Full table on the model comparison page · live list on the full pricing list.

Capability	Typical official list	KeyoAPI	Notes
Flagship chat (GPT-class)	OpenAI gpt-6-astra official list — confirm on openai.com/api/pricing	gpt-6-astra ~$1.84 / $9.19 per 1M in/out	OpenAI model ID on Keyo OpenAI-compatible /v1/chat/completions
High-volume budget LLM	DeepSeek official Flash-class list often ~$0.14–$0.28 / $0.28–$1.10 per 1M in/out (confirm on platform.deepseek.com; not an OpenAI GPT mini equivalent)	deepseek-v4.1-flash ~$0.14 / $0.56 per 1M in/out	Same-family budget Flash lane on Keyo — confirm live /pricing
Claude-class flagship	Anthropic Claude Fable 5.1 list ~$10 / $50 per 1M in/out (confirm on platform.claude.com)	claude-fable-5-1 ~$7.35 / $36.77 per 1M in/out	Drop-in chat completions via Keyo relay
Image generation (Nano Banana 2.1)	Google Gemini image list — confirm on official Google pages	nano-banana-2.1 ~$0.0123 / request	OpenAI-compatible /v1/images/generations; family: nano-banana-2, nano-banana-pro

See the full comparison page →

Free models — $0 (covered by your $10 credit)

Gift-credit catalog IDs for prototyping, billed at base rate with gift credits used first (new users: $10; per invite: $3) with fair-use limits. Full list + rules: the gift-credit models page.

Atria-dawn-v2:free$0 DeepSeek-Prover-V2-7B:free$0 keyo-flash:free$0 keyo-flash2:free$0

See all free model IDs →

Featured models

GPT-6 Astraflagship GPT-class chat Claude Fable 5.1top Claude-class reasoning DeepSeek V4.1 Flashfast budget DeepSeek Grok 4.7xAI Grok chat Bespoke Nimble 9Blightweight decision model MiniMax H3video generation Seedance 2.5 1080p1080p video IndexTTS 2TTS SAM 3segmentation RMBG 2.0background removal

Compare in depth: Gemini pricing · DeepSeek pricing · GLM pricing · Claude pricing · OpenAI pricing · remove.bg API · Text to Speech · Voice clone API · Avatar video API · Grok pricing · OpenAI alternative · all model guides

Integrate in minutes

export OPENAI_BASE_URL=https://www.keyoapi.xyz/v1
export OPENAI_API_KEY=sk-...
# chat (OpenAI SDK): model=gpt-6-astra | claude-fable-5-1 | deepseek-v4.1-flash
# free: model=Atria-dawn-v2:free | DeepSeek-Prover-V2-7B:free (see /free-models)
# speech / vision / video: IndexTTS-2 · sam3 · RMBG-2.0 · MiniMax-H3 — see Docs

One key for chat, speech, OCR & digital humans