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GPTProto

GPTProto is a unified AI API platform: one API key and one OpenAI-compatible endpoint for text, image, video and audio models from OpenAI, Anthropic Claude, Google, xAI Grok, ByteDance, Kling, MiniMax, Qwen, DeepSeek and more. Pay as you go.

For agents: GPTProto: unified OpenAI-compatible AI API with one key for text, image, video and audio models from OpenAI, Anthropic, Google, ByteDance and more; pay-as-you-g

unified ai apiopenai compatiblellm apiimage generation modelspay as you go

Their llms.txt

The beginning of the file, from our validated copy saved 2026-10-21T13:08:50.211Z. Cached copy · Source on gptproto.com

# GPTProto

> GPTProto is a unified AI API platform: one API key and one OpenAI-compatible endpoint for text, image, video and audio models from OpenAI, Anthropic Claude, Google, xAI Grok, ByteDance, Kling, MiniMax, Qwen, DeepSeek and more. Pay as you go.

Every model below has its own machine-readable guide at `{model page}/llms.txt`. The full integration reference, with authentication, request examples and pricing tables, is at https://gptproto.com/llms-full.txt.

## Key pages

- [All models](https://gptproto.com/model): Browse and compare every model with live pricing.
- [Model comparisons](https://gptproto.com/compare): Published head-to-head pages for price, context or output size, and which workload to try first.
- [Pricing](https://gptproto.com/pricing): Pay-as-you-go platform rates.
- [Enterprise](https://gptproto.com/enterprise): Volume pricing, company invoicing, and one OpenAI-compatible endpoint.
- [API documentation](https://docs.gptproto.com/docs/api): Endpoints, parameters and SDK usage.
- [AI features](https://gptproto.com/features): Ready-made image and video tools built on these models.
- [Blog](https://gptproto.com/blog): Model comparisons, guides and release notes.
- [Official AI Information](https://gptproto.com/ai-info-page): Official GPTProto product, company, pricing-comparison and policy facts.
- [AI apps](https://gptproto.com/apps): Models and token mix for SillyTavern, Janitor AI, Chub AI and Sophia's LoreBary.
- [API keys](https://gptproto.com/dashboard/api-key): Create a key (sign-in required).
- [Full LLM integration guide](https://gptproto.com/llms-full.txt): Authentication, code samples and every model with pricing.

## Text & multimodal LLMs

- [Doubao 1.5 Pro 32K (Build 250115) (doubao-1-5-pro-32k-250115)](https://gptproto.com/model/bytedance/doubao-1-5-pro-32k-250115): Doubao 1.5 AI is ByteDance’s flagship reasoning model. It offers GPT-4o-class performance with superior bilingual logic for English and Chinese, optimized for tool-use and complex agents at a…
- [Doubao 1.5 Vision Pro 32K (Build 250115) (doubao-1-5-vision-pro-32k-250115)](https://gptproto.com/model/bytedance/doubao-1-5-vision-pro-32k-250115): The doubao 1.5 api delivers enterprise-grade multimodal vision via ByteDance. Optimized for 32k context, it offers superior OCR and bilingual reasoning for Chinese and English documents at a…
- [Doubao Seed 1.6 (Build 250615) (doubao-seed-1-6-250615)](https://gptproto.com/model/bytedance/doubao-seed-1-6-250615): The doubao seed 1.6 flash api offers high-performance bilingual AI with a 128k context window. Optimized by ByteDance for low latency and cost-efficiency, it excels in Chinese-English tasks and…
- [Doubao Seed 1.6 Flash (Build 250615) (doubao-seed-1-6-flash-250615)](https://gptproto.com/model/bytedance/doubao-seed-1-6-flash-250615): The Seed 1.6 Flash API delivers sub-second latency and extreme throughput for real-time apps. This Doubao iteration handles 128k context windows with native function calli
…

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Machine-readable: GET /v1/resolve?q=gptproto.com · GET /v1/domain/gptproto.com · this page as Accept: application/json or text/markdown · MCP lookup_domain

Automatically discovered from public files. Inclusion does not imply endorsement or publisher participation.

Claim my listing on Agent Web Map for gptproto.com:
1. POST https://agentwebmap.com/v1/sites/gptproto.com/claims and keep claim_id and claim_secret private.
2. Publish the proof: add the line "AgentWebMap ownership: <token>" (token from step 1) to https://gptproto.com/llms.txt, or use the DNS, meta-tag or well-known method the response describes.
3. POST https://agentwebmap.com/v1/sites/gptproto.com/verify with {"claim_id": "...", "claim_secret": "..."}.
4. Save the api_key from the answer; it manages the listing (PATCH https://agentwebmap.com/v1/sites/gptproto.com).
MCP equivalent: tools begin_ownership_claim, then verify_domain, at https://agentwebmap.com/mcp. Docs: https://agentwebmap.com/docs#verify

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