Free / Open-sourceOne OpenAI-compatible API to route, monitor and control 250+ LLM models
Free / Open-sourceOne OpenAI-compatible API to route, monitor and control 250+ LLM models

12 alternatives to Not Diamond, matched by what they do.
| Rank | Tool & Tagline | Official Domain | Monthly Visits |
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| MoM Growth |
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| Pricing Model |
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| Primary Market |
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| Rating |
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| Compare |
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| ● | Not Diamond | notdiamond.ai | 29.24K | 5.9K (+25.3%) | Freemium, Paid, Contact for Pricing | Australia | 4.4 | Profile |
| 1 | LLM Gateway | llmgateway.io | 168.43K | -28.46K (-14.5%) | Freemium, Contact for Pricing | South Korea | 4.6 | Compare |
| 2 | OpenRouter | openrouter.ai | 19.94M | -1.33M (-6.2%) | Paid | United States | 4.8 | Compare |
| 3 | DeepSeek | deepseek.com | 372.76M | 15.36M (+4.3%) | Freemium | China | 4.8 | Compare |
| 4 | OrcaRouter | orcarouter.ai | 975.3K | -53.81K (-5.2%) | Freemium | United States | 4.3 | Compare |
| 5 | Morph | morphllm.com | 306.96K | 26.54K (+9.5%) | Free Trial, Contact for Pricing | United States | 4.3 | Compare |
| 6 | Gemma Open Models by Google | ai.google.dev | 4.9M | -762.76K (-13.5%) | Freemium, Paid | United States | 4.8 | Compare |
| 7 | SiliconFlow | siliconflow.com | 276.3K | -32.46K (-10.5%) | Pay-as-you-go | United States | 4.6 | Compare |
| 8 | LiteLLM | litellm.ai | 576.97K | 42.48K (+7.9%) | Freemium, Contact for Pricing | United States | 4.8 | Compare |
| 9 | Gemini 4 Carbon (Gemini Carbon 4) | deepmind.google | 4.34M | 489.77K (+12.7%) | Freemium | United States | 4.8 | Compare |
| 10 | BLACKBOX.AI | blackbox.ai | 622.98K | -233.34K (-27.2%) | Free Trial, Paid | India | 4.2 | Compare |
| 11 | APIMaster | apimaster.ai | 210.18K | 66.53K (+46.3%) | Paid | United States | 4 | Compare |
| 12 | Flatkey | flatkey.ai | 49.13K | -33.92K (-40.8%) | Paid, Contact for Pricing | China | 4.1 | Compare |
Free / Open-sourceOne OpenAI-compatible API to route, monitor and control 250+ LLM models
Free / Open-sourceOne OpenAI-compatible API to route, monitor and control 250+ LLM models
SpecialistOne API key for hundreds of AI models from every major provider
Free / Open-sourceHigh-efficiency open-weight and hosted reasoning AI powered by DeepSeek-V4 and R1 at ultra-low token costs.
Free / Open-sourceHigh-efficiency open-weight and hosted reasoning AI powered by DeepSeek-V4 and R1 at ultra-low token costs.
One OpenAI-compatible gateway for adaptive LLM routing, guardrails, and spend control
One OpenAI-compatible gateway for adaptive LLM routing, guardrails, and spend control
Fast Apply and agent-tuned inference for coding agents
Fast Apply and agent-tuned inference for coding agents

Free / Open-sourceGoogle's family of lightweight, open-weight AI models
Free / Open-sourceGoogle's family of lightweight, open-weight AI models
SpecialistOne API for fast, cost-predictable inference on LLMs and multimodal models
SpecialistOne API for fast, cost-predictable inference on LLMs and multimodal models

Free / Open-sourceOne open-source AI gateway for 100+ LLM providers

SpecialistGoogle DeepMind's #1 frontier AI model (Gemini Carbon 4) for long-horizon agentic coding, cybersecurity defense, and 1M-token multimodal reasoning.
SpecialistGoogle DeepMind's #1 frontier AI model (Gemini Carbon 4) for long-horizon agentic coding, cybersecurity defense, and 1M-token multimodal reasoning.

SpecialistHigh-trust frontier inference, encrypted end to end
SpecialistHigh-trust frontier inference, encrypted end to end

SpecialistOne OpenAI-compatible key for discounted GPT, Claude and Gemini access

SpecialistOne API key for frontier models, 1,000+ AI tools, and one invoice