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Access top-notch AI models through one OpenAI-compatible API.

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Mengbi
  • OpenAI
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  • Gemini
  • DeepSeek
  • More
Model APIs → Mengbi → Your app

Why choose Mengbi

Better model pricing

Top models, one key

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Keep your stack

OpenAI-compatible
Anthropic native
Gemini native

Works with Claude Code, Gemini CLI, and more.

Transparent billing

  • No model substitution.
  • See exact costs per request.
  • No monthly subscription.

AGENT SKILLS

Start with skills

Add Mengbi skills to your coding agent and start using the Router in minutes.

bash
npx skills add https://router.mengbi-ai.net/skills

Compare model pricing.

Compare official and Mengbi rates across input, output, and cache tokens.

Compare model pricing.
ModelReleasedContextInput (Official)Input (Mengbi)Output (Official)Output (Mengbi)
GPT-5.6 SolOpenAIJul 20261M$5Cache $0.50$1.2475% OFFCache $0.124$30$7.4175% OFF
GPT-5.6 TerraOpenAIJul 20261M$2Cache $0.20$0.48975% OFFCache $0.0489$12$2.9375% OFF
GPT-5.6 LunaOpenAIJul 20261M$0.20Cache $0.02$0.17114% OFFCache $0.0171$1.2$1.0314% OFF
GPT-5.5OpenAIApr 20261M$5Cache $0.50$3.5928% OFFCache $0.359$30$21.5128% OFF
GPT-5.4OpenAIMar 20261M$2.5Cache $0.25$1.7928% OFFCache $0.179$15$10.7128% OFF
GPT-5.4-MiniOpenAIMar 20261M$0.75Cache $0.075$0.53628% OFFCache $0.0536$4.5$3.2128% OFF
GPT-6 AstraOpenAISep 20261M$10Cache $1$2.4475% OFFCache $0.244$50$12.2175% OFF
GPT Image 2.5 FlareOpenAISep 2026—$5Cache $1.25$0.71485% OFFCache $0.179$30$4.2985% OFF
GPT Image 2.5 SunburstOpenAISep 2026—$5Cache $1.25$0.71485% OFFCache $0.179$30$4.2985% OFF
GPT Image 2OpenAIApr 2026—$5Cache $1.25$0.71485% OFFCache $0.179$30$4.2985% OFF
Claude Haiku 4.5 (20251001)AnthropicOct 20251M$1Cache $0.10$0.28371% OFFCache $0.0283$5$1.4171% OFF
Claude Opus 5AnthropicJul 20261M$5Cache $0.50$2.0459% OFFCache $0.204$25$10.2159% OFF
Claude Opus 4.8AnthropicMay 20261M$5Cache $0.50$2.0359% OFFCache $0.203$25$10.1459% OFF
Claude Opus 4.7AnthropicMar 20261M$5Cache $0.50$2.0459% OFFCache $0.204$25$10.2159% OFF
Claude Opus 4.6AnthropicJan 20261M$5Cache $0.50$2.0459% OFFCache $0.204$25$10.1859% OFF
Claude Sonnet 5AnthropicJun 20261M$2Cache $0.20$0.81759% OFFCache $0.0817$10$4.0959% OFF
Claude Sonnet 4.6AnthropicNov 20251M$3Cache $0.30$1.2359% OFFCache $0.123$15$6.1359% OFF
Claude Fable 5.1AnthropicSep 20261M$10Cache $0.25$4.2957% OFFCache $0.107$50$21.4357% OFF
Claude Fable 5AnthropicJun 20261M$10Cache $1$4.2957% OFFCache $0.429$50$21.4357% OFF
Gemini 3.1 Pro PreviewGoogleFeb 20262M$2Cache $0.20$1.3731% OFFCache $0.137$12$8.2131% OFF
Gemini 3.7 FlashGoogleAug 20262M$0.75Cache $0.075$0.56824% OFFCache $0.0568$3.75$2.8424% OFF
Gemini 3.6 FlashGoogleJul 20262M$0.75Cache $0.075$0.33655% OFFCache $0.0336$3.75$1.6855% OFF
Gemini 3.5 FlashGoogleJun 20262M$1.5Cache $0.15$0.79347% OFFCache $0.0793$9$4.7647% OFF
Gemini 3.5 Flash LiteGoogleJun 20262M$0.30Cache $0.03$0.12458% OFFCache $0.0124$2.5$1.0458% OFF
Gemini 3.1 Flash ImageGoogleFeb 2026—$0.50$0.3040% OFF$60$3640% OFF
DeepSeek V4 Pro (260425)DeepSeekApr 20261M$1.74Cache $0.145$1.74Cache $0.145$3.48$3.48
DeepSeek V4 ProDeepSeekApr 20261M$1.32Cache $0.044$1.32Cache $0.044$3.96$3.96
DeepSeek V4 FlashDeepSeekApr 20261M$0.44Cache $0.014$0.44Cache $0.014$1.32$1.32
DeepSeek V4 Flash Vision (Exp)DeepSeekSep 20261M$0.44Cache $0.014$0.44Cache $0.014$1.32$1.32
DeepSeek V4.1 FlashDeepSeekSep 20261M$0.30Cache $0.006$0.30Cache $0.006$1.2$1.2
GLM-5.3Z.AIAug 20261M$1.4Cache $0.26$1.4Cache $0.26$4.4$4.4
GLM-5.3 FlashZ.AIAug 20261M$0.114Cache $0.03$0.114Cache $0.03$0.40$0.40
GLM-5.2Z.AIJun 20261M$1.4Cache $0.26$1.4Cache $0.26$4.4$4.4
Grok 4.6xAIAug 2026500K$2Cache $0.50$0.28685% OFFCache $0.0714$6$0.85785% OFF
Kimi K3KimiJul 20261M$3Cache $0.30$3Cache $0.30$15$15

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