Pricing

How BigModel.io charges: prepaid USD credit, per-token usage at the listed model price, top-up methods and fees, and what is never billed.

CurrencyUSD
BillingPer token or per output, prepaid
Failed requestsNot charged
Top-up feeNone
To startFree trial credit when you sign up

Ways to pay

Pay as you go

$0 monthly fee

Every model on sale, 59 in all, charged per token, image, second or call at the listed price.

  • Text, image, video and audio
  • Spend limits per key
  • Free trial credit when you sign up
Get started
Teams

Shared balance

One account, many keys: separate limits per project or person, and usage export by key.

  • Quota and 5h / 1d / 7d windows per key
  • CSV export by key
  • Member logins: planned
Teams page

Billing in three points

01Prepaid US-dollar balance

Top up in USD. Requests are accepted while your balance is above $0, and each one is charged when it completes.

02Per token, by type

Input, output, cache-read and cache-write tokens each have their own price per 1M tokens, listed on every model page.

03Cached input costs less

Repeated prompt prefixes that hit the cache are charged at the cache-read price, usually a fraction of the input price. Prompt caching

Example request · Doubao Seed 2.1 Pro

Input100,000 × $0.42 / 1M$0.042
Cached input50,000 × $0.085 / 1M$0.00425
Output20,000 × $2.11 / 1M$0.0422
Total$0.08845
Uses today's published price; the price at the time of the request applies.

Image, video and audio · charged per output

Seedance 2.0 Fast · 8-second 720p video$0.6836
GPT Image 2 · 4 images$0.05076
MiniMax Speech 2.8 HD · 3,000 characters$0.1777
Failed or cancelled tasks$0
The estimate is reserved when you submit; you are charged only when the task succeeds. Add "dry_run": true for a quote.

Price list

USD per 1M tokens, live from the price list, with the official price for comparison.

Compare capabilities →
ModelInputOutputCache readOfficial in / outSaving
Doubao Seed 2.1 Prodoubao-seed-2.1-pro$0.42$2.11$0.085$0.8965 / $4.48252% lower
Doubao Seed Evolvingdoubao-seed-evolving$0.42$2.11$0.085$0.8965 / $4.48252% lower
Doubao Seed 2.1 Litedoubao-seed-2.1-lite$0.056$0.19$0.011$0.1195 / $0.403452% lower
Doubao Seed 2.0 Minidoubao-seed-2.0-mini$0.10$0.40—$0.10 / $0.40—
Kimi K3kimi-k3$2.70$13.50$0.30$3.00 / $15.0010% lower
Kimi K2.8 Previewkimi-k2.8-preview$0.46$1.90———
DeepSeek V4 Prodeepseek-v4-pro$0.66$1.98$0.044$1.345 / $4.03450% lower
DeepSeek V4 Flashdeepseek-v4-flash$0.09$0.18$0.03$0.30 / $1.2070% lower
DeepSeek V4.1 Flashdeepseek-v4.1-flash$0.15$0.60—$0.30 / $1.2050% lower
MiniMax M3minimax-m3$0.30$1.20$0.06$0.3138 / $1.2554% lower
Official comparison methodology & sources

For the selected input length, each rate uses the higher of domestic and overseas official standard pay-as-you-go prices. Domestic rates are converted to USD. Savings use the lower input/output discount; storage, tool fees and batch discounts are excluded. Image, video and audio models are compared at the same model version and unit; our video price is the same at every resolution, so the comparison uses the official price at the lowest resolution the model supports. Only models with a published official price are shown.

Exchange rate: 1 USD = 6.692782 CNY · 2026-10-12 · ECB ↗

Official price sources: 智谱 GLM CN ↗ Global ↗ · DeepSeek CN ↗ Global ↗ · 豆包 / Doubao · Kimi CN ↗ Global ↗ · MiniMax CN ↗ Global ↗ · OpenAI Global ↗ · xAI Global ↗ · BytePlus · 阿里云百炼 / Model Studio Global ↗ · Krea Global ↗ · Stability AI Global ↗ · Kling Global ↗ · Vidu Global ↗ · MiniMax 视频 Global ↗ · LTX Global ↗ · Prices checked 2026-10-18

Image, video & audio

Priced per image, per second of output, per 10k characters or per call. You are charged when a task succeeds; failed and cancelled tasks cost nothing.

Browse media models →

Image generation

/v1/images/generations · Guide →
ModelWhat it doesPriceOfficialSaving
GPT Image 2Text-to-image and editsImage edit · Text to image$0.01269 per image$0.05376% lower
GPT Image 2.5 FlareWarm illustrative look, fuller close-upsImage edit · Text to image$0.01269 per image——
GPT Image 2.5 SunburstCool photographic lookImage edit · Text to image$0.01269 per image——
Grok Imagine ImageText-to-image and editsImage edit · Text to image$0.01269 per image$0.0236% lower
Remove BackgroundCut out the subject as a transparent PNGImage edit$0.00705 per image——
Image UpscaleUpscale an input imageImage edit$0.00705 per image——
Krea 2 TurboFast text-to-imageText to image$0.00705 per image$0.01553% lower
Omni Image G2Economical text-to-image and editsImage edit · Text to image$0.0141 per image——
Omni Image ProPremium text-to-image and multi-image editsImage edit · Text to image$0.0564 per image——
Qwen-Image 2.12K, accurate Chinese/English text, transparent PNG, editsImage edit · Text to image$0.00705 per image——
Qwen-Image 2.1 Turbo1K, fastest and cheapest; up to 3 reference imagesText to image$0.00423 per image$0.01673% lower
Z-Image TurboFast text-to-imageText to image$0.00705 per image$0.01553% lower

Video generation

/v1/videos · Guide →
ModelWhat it doesPriceOfficialSaving
Grok Imagine Video 1.51–15 s, 480p–720pImage to video · 1–15 s · 480p–720p$0.02359 per second$0.0870% lower
Kling 2.6 ProImage-to-video and first/last frameFirst & last frame · Image to video · 5–10 s · 720p$0.05428 per second$0.042—
Kling O1First/last frame videoFirst & last frame · Image to video · 5–10 s · 720p$0.06514 per second$0.08422% lower
LTX 2.3720p–1080p, native audio, up to 5 sFirst & last frame · Image to video · 1–5 s · 720p–1080p · native audio$0.0423 per second——
MiniMax H3Native audio, full references; default speed tierImage to video · Reference images · 5–15 s · 480p–720p · native audio · up to 9 reference imagesfrom $0.0141 per second$0.0864% lower
MiniMax H3 2K2K with native audioFirst & last frame · Image to video · Reference images · 4–15 s · 2k · native audio · up to 5 reference images$0.04458 per second$0.1365% lower
MiniMax H3 MaxFirst frame or first/last frameFirst & last frame · Image to video · 5–15 s · 480p–720pfrom $0.05584 per second$0.05—
MiniMax H3 Max ReferenceUp to 9 reference images and 3 reference audiosFirst & last frame · Image to video · Reference images · 5–15 s · 720p · up to 9 reference images$0.08934 per second——
MiniMax H3 QualitySame as MiniMax H3, better on big motion; slowerImage to video · Reference images · 5–15 s · 480p–720p · native audio · up to 9 reference imagesfrom $0.0141 per second——
Seedance 2.0Up to 4K, native audio, first/last frame and referencesFirst & last frame · Image to video · Reference images · 4–15 s · 480p–4k · native audio · up to 9 reference imagesfrom $0.06571 per second$0.06722% lower
Seedance 2.0 Fast480p–720p, native audio, fasterFirst & last frame · Image to video · Reference images · 4–15 s · 480p–720p · native audio · up to 9 reference imagesfrom $0.03976 per second$0.053826% lower
Seedance 2.0 Fast (1080p upscaled)Generated at 480p, upscaled to 1080pFirst & last frame · Image to video · Reference images · 4–15 s · 1080p · native audio · up to 9 reference images$0.07625 per second——
Seedance 2.0 Fast (720p upscaled)Generated at 480p, upscaled to 720pFirst & last frame · Image to video · Reference images · 4–15 s · 720p · native audio · up to 9 reference images$0.07625 per second——
Seedance 2.0 Mini480p–720p, native audio, lowest priceFirst & last frame · Image to video · Reference images · 4–15 s · 480p–720p · native audio · up to 9 reference imagesfrom $0.01636 per second$0.033651% lower
Seedance 2.0 (1080p upscaled)Generated at 480p, upscaled to 1080pFirst & last frame · Image to video · Reference images · 4–15 s · 1080p · native audio · up to 9 reference images$0.09479 per second——
Seedance 2.0 (720p upscaled)Generated at 480p, upscaled to 720pFirst & last frame · Image to video · Reference images · 4–15 s · 720p · native audio · up to 9 reference images$0.09479 per second——
Vidu Q3Up to 7 reference imagesFirst & last frame · Image to video · Reference images · 3–15 s · 720p · up to 7 reference images$0.06824 per second$0.06—
Vidu Q3 ProImage-to-video and first/last frameFirst & last frame · Image to video · 1–15 s · 720p$0.1024 per second$0.10—
Wan 2.7Image-to-video, first/last frame and referencesFirst & last frame · Image to video · Reference images · 2–15 s · 720p · up to 5 reference images$0.0791 per second$0.1020% lower

Avatar & lip-sync

/v1/videos · Guide →
ModelWhat it doesPriceOfficialSaving
InfiniteTalkTalking avatar: portrait image or video + voice track$0.01269 per second——
LatentSyncLip-sync a person video to a voice track (up to 120 s)$0.01015 per second——
LatentSync MusicLip-sync a person video to a song (up to 15 s)$0.01269 per second——
Wan Animate 2Animate a portrait, or transfer motion from a video$0.01269 per second——

Video tools

/v1/videos · Guide →
ModelWhat it doesPriceOfficialSaving
SeedVR2 UpscaleDetail-enhancing upscaling (skin, hair)$0.01551 per second——
Video to ClayTurn a video into a depth clay render for motion reference$0.00423 per second——
Video UpscaleFast cloud upscaling to 1080p or 2K$0.007445 per second——

Text to speech

/v1/audio/speech · Guide →
ModelWhat it doesPriceOfficialSaving
IndexTTS 2.5Expressive speech with emotion and duration control$0.00282 per second——
MiniMax Speech 2.8 HDHigh quality speech, many voices$0.5922 per 10k chars$1.0040% lower
MiniMax Speech 2.8 TurboFast speech, many voices$0.3384 per 10k chars$0.6043% lower
VoxCPM 2Natural speech$0.00282 per second——

Music

/v1/audio/generations · Guide →
ModelWhat it doesPriceOfficialSaving
ACE-Step 1.5Songs and instrumentals$0.00846 per call——
MiniMax Music 3Songs and instrumentals$0.0141 per call——
Suno V4.5Vocal songs with lyrics, or instrumentals$0.0846 per call——
Suno V6Vocal songs with lyrics, or instrumentals$0.1 per call——

Sound effects

/v1/audio/generations · Guide →
ModelWhat it doesPriceOfficialSaving
Sound EffectsSound effects from text$0.003384 per call——
Stable Audio 3Sound effects from text$0.003384 per call$0.0895% lower

Audio tools

/v1/audio/generations · Guide →
ModelWhat it doesPriceOfficialSaving
Audio ExtractExtract the audio track from a video (optional voice isolation and transcript)$0.0003384 per second——
Official comparison methodology & sources

For the selected input length, each rate uses the higher of domestic and overseas official standard pay-as-you-go prices. Domestic rates are converted to USD. Savings use the lower input/output discount; storage, tool fees and batch discounts are excluded. Image, video and audio models are compared at the same model version and unit; our video price is the same at every resolution, so the comparison uses the official price at the lowest resolution the model supports. Only models with a published official price are shown.

Exchange rate: 1 USD = 6.692782 CNY · 2026-10-12 · ECB ↗

Official price sources: 智谱 GLM CN ↗ Global ↗ · DeepSeek CN ↗ Global ↗ · 豆包 / Doubao · Kimi CN ↗ Global ↗ · MiniMax CN ↗ Global ↗ · OpenAI Global ↗ · xAI Global ↗ · BytePlus · 阿里云百炼 / Model Studio Global ↗ · Krea Global ↗ · Stability AI Global ↗ · Kling Global ↗ · Vidu Global ↗ · MiniMax 视频 Global ↗ · LTX Global ↗ · Prices checked 2026-10-18

List prices; a few keys on special plans may differ. Send dry_run: true to a video or audio request for its exact estimate first.

Estimate your monthly cost

An estimate from today's prices, calculated in your browser. Your usage log shows the exact charges.

Estimated per month on BigModel.io$37.08

At official prices $78.89 · you save about $41.82

Get an API key

Payment methods and fees

  • Alipay — pay from an Alipay account, no foreign card needed.
  • USDT — networks such as TRC20, ERC20 and BEP20.
  • There is no top-up fee. Available methods and the amount in your payment currency are as shown on the payment page.

Keeping spend under control

  • Set a dollar quota, 5-hour, 1-day and 7-day spend windows and an expiry date on each API key.
  • Requests that fail or are rejected are not charged.
  • Every request appears in your usage log with tokens and cost; export it as CSV.

Billing questions

Billing docs →
How am I charged?

Per token, in US dollars, from a prepaid balance. Input, output, cache-read and cache-write tokens are each charged at the model's listed price. Failed requests are not charged, and every charge appears in your usage log.Billing and top-ups →

Is there free credit?

Free trial credit when you sign up. It is added to your USD balance and spent at normal model prices. Models marked Free cost $0 per token but, like every request, need a balance above $0.Trial credit and free models →

How can I pay?

Top up on the payment page in the console. The methods available are those shown there, for example Alipay and USDT (TRC20, ERC20, BEP20). Your balance is always in US dollars, and any fee is shown before you pay.

Can I get a refund?

Unused plans can be refunded within 24 hours of purchase. USDT payments are not refundable, and gifted credit has no cash value.Refund policy →

Can I cap what a key spends?

Yes. Each key can have a dollar quota, 5-hour, 1-day and 7-day spend windows, an expiry date and IP rules.Limits and rate limits →

Can I get an invoice or pay as a company?

Email support@bigmodel.io with your account email and what you need.