Surplus Intelligence

Open market for models.

Your API calls, routed to the cheapest offer.
Your surplus capacity, sold to the highest bidder.

432

models

73%

avg savings

$38.2K

saved in 24h

22,263

active offers

One API, OpenAI-compatible

Already on OpenAI or OpenRouter? Just change your base URL and cut your inference bill 73%.

1export SURPLUS_API_KEY="inf_..."2 3curl https://api.surplusintelligence.ai/v1/chat/completions \4# was: openrouter.ai/api/v15  -H "Authorization: Bearer $SURPLUS_API_KEY" \6  -H "Content-Type: application/json" \7  -d '{8    "model": "deepseek-v4.1-flash",9    "messages": [{"role": "user", "content": "hello"}],10    "stream": true11  }'

Same request. Same SDK. Same models. New base URL. One router. Lower costs.

/

OpenAI

GPT-6 Astra

gpt-6-astra

1.1M context

Best price

$0.32 / M input

$1.61 / M output

Discount

97%

LiquidityUncapped+$7.7K capped

24h Activity

19.7k msgs

$5.6k credits

Offers106 active

Anthropic

Claude Opus 5.5

claude-opus-5.5

1M context

Best price

$0.60 / M input

$3 / M output

Discount

85%

LiquidityUncapped+$8.6K capped

24h Activity

27.4k msgs

$4.3k credits

Offers121 active

DeepSeek

DeepSeek V4.1 Flash

deepseek-v4.1-flash

1.0M context

Best price

$0.00018 / M input

$0.0031 / M output

Discount

99.6%

LiquidityUncapped+$1,000M capped

24h Activity

1.1M msgs

$3.4k credits

Offers106 active

DeepSeek

DeepSeek V3.2

deepseek-v3.2

160K context

Best price

$0.0027 / M input

$0.004 / M output

Discount

99%

LiquidityUncapped+$7.7K capped

24h Activity

624.7k msgs

$2.9k credits

Offers125 active

Z.ai

GLM 5.3

glm-5.3

1M context

Best price

$0.01 / M input

$0.033 / M output

Discount

93%

LiquidityUncapped+$4.5K capped

24h Activity

217.5k msgs

$2.6k credits

Offers224 active

Anthropic

Claude Sonnet 5.5

claude-sonnet-5.5

1M context

Best price

$0.30 / M input

$1.50 / M output

Discount

85%

LiquidityUncapped+$22.95 capped

24h Activity

11.6k msgs

$2.2k credits

Offers39 active

Anthropic

Claude Sonnet 5

claude-sonnet-5

1M context

Best price

$0.056 / M input

$0.28 / M output

Discount

97%

LiquidityUncapped+$2.1K capped

24h Activity

23.3k msgs

$1.6k credits

Offers126 active

Z.ai

GLM 5.2

glm-5.2

1.0M context

Best price

$0.00029 / M input

$0.02 / M output

Discount

99.5%

LiquidityUncapped+$1,000M capped

24h Activity

155.5k msgs

$1.4k credits

Offers199 active

OpenAI

GPT-5.6 Luna

gpt-5.6-luna

1.1M context

Best price

$0.0025 / M input

$0.015 / M output

Discount

99%

LiquidityUncapped+$9.8K capped

24h Activity

277.8k msgs

$1.3k credits

Offers106 active

Anthropic

Claude Opus 4.6

claude-opus-4.6

1M context

Best price

$0.071 / M input

$0.36 / M output

Discount

99%

LiquidityUncapped+$1,000M capped

24h Activity

3.7k msgs

$1.3k credits

Offers152 active

Moonshot

Kimi K3

kimi-k3

1M context

Best price

$0.017 / M input

$0.23 / M output

Discount

98%

LiquidityUncapped+$3.7K capped

24h Activity

35.6k msgs

$1.2k credits

Offers117 active

Google

Gemini 3.8 Flash

gemini-3.8-flash

1.0M context

Best price

$0.00015 / M input

$0.00075 / M output

Discount

100.0%

LiquidityUncapped+$1,000M capped

24h Activity

79.7k msgs

$913 credits

Offers309 active

OpenAI

GPT-6.1 Sol

gpt-6.1-sol

1.1M context

Best price

$0.041 / M input

$0.21 / M output

Discount

98%

LiquidityUncapped+$245 capped

24h Activity

18.5k msgs

$911 credits

Offers94 active

OpenAI

GPT-6 Luna

gpt-6-luna

1.1M context

Best price

$0.0023 / M input

$0.011 / M output

Discount

98%

LiquidityUncapped+$1,000M capped

24h Activity

347.5k msgs

$884 credits

Offers88 active

Anthropic

Claude Opus 4.7

claude-opus-4.7

1M context

Best price

$0.071 / M input

$0.36 / M output

Discount

99%

LiquidityUncapped+$1,000M capped

24h Activity

8.8k msgs

$703 credits

Offers154 active

DeepSeek

DeepSeek V4 Pro

deepseek-v4-pro

1M context

Best price

$0.019 / M input

$0.038 / M output

Discount

95%

LiquidityUncapped+$1,000M capped

24h Activity

53.3k msgs

$647 credits

Offers125 active

Anthropic

Claude Fable 5

claude-fable-5

1M context

Best price

$2.00 / M input

$10.00 / M output

Discount

80%

LiquidityUncapped+$8.2K capped

24h Activity

2.4k msgs

$508 credits

Offers138 active

Google

Gemini 3.5 Flash

gemini-3-5-flash

1M context

Best price

$0.014 / M input

$0.081 / M output

Discount

99%

LiquidityUncapped+$2.3K capped

24h Activity

80.5k msgs

$442 credits

Offers196 active

Z.ai

GLM 5.3 Flash

glm-5.3-flash

1.0M context

Best price

$0.00019 / M input

$0.0031 / M output

Discount

99%

LiquidityUncapped+$5.3K capped

24h Activity

215.8k msgs

$406 credits

Offers206 active

Anthropic

Claude Fable 5.1

claude-fable-5.1

1M context

Best price

$1.40 / M input

$6.99 / M output

Discount

86%

LiquidityUncapped+$8.2K capped

24h Activity

2.0k msgs

$390 credits

Offers102 active

OpenAI

GPT-6 Sol

gpt-6-sol

1.1M context

Best price

$0.023 / M input

$0.11 / M output

Discount

99%

LiquidityUncapped+$8.1K capped

24h Activity

13.6k msgs

$385 credits

Offers98 active

Z.ai

GLM 4.7

glm-4.7

128K context

Best price

$0.003 / M input

$0.012 / M output

Discount

99%

LiquidityUncapped+$8.5K capped

24h Activity

48.9k msgs

$378 credits

Offers301 active

OpenAI

GPT-5.6 Sol

gpt-5.6-sol

1.1M context

Best price

$0.03 / M input

$0.15 / M output

Discount

99%

LiquidityUncapped+$6.7K capped

24h Activity

15.8k msgs

$377 credits

Offers112 active

Z.ai

GLM 5.1

glm-5.1

200K context

Best price

$0.03 / M input

$0.093 / M output

Discount

97%

LiquidityUncapped+$5.5K capped

24h Activity

26.8k msgs

$348 credits

Offers153 active

No filters

432 of 432