Compare free GPT API providers by speed, latency, and availability.Free models 156Providers 156
| Model | Providers | Speed | Latency | Tests |
|---|---|---|---|---|
gpt-image-2-2kOpenAIFree | N/A | N/A | 0 | |
gpt-image-2-2026-04-21OpenAIFree | N/A | N/A | 0 | |
gpt-realtime-mini-2025-12-15OpenAIFree | N/A | N/A | 0 | |
gpt-realtime-mini-2025-10-06OpenAIFree | N/A | N/A | 0 | |
gpt-5-search-api-2025-10-14OpenAIFree | N/A | N/A | 0 | |
gpt-image-2-1024x1024OpenAIFree | N/A | N/A | 0 | |
gpt-image-2-1024x1536OpenAIFree | N/A | N/A | 0 | |
gpt-image-2-1536x1024OpenAIFree | N/A | N/A | 0 | |
gpt-5.2-2025-12-11-noneOpenAIFree | N/A | N/A | 0 | |
gpt-5.1-2025-11-13-noneOpenAIFree | N/A | N/A | 0 | |
gpt-5.1-codex-mini-p2gOpenAIFree | N/A | N/A | 0 | |
gpt-5.3-codex-p2gOpenAIFree | N/A | N/A | 0 | |
gpt-5.4-2026-03-05-noneOpenAIFree | N/A | N/A | 0 | |
gpt-5.4-mini-p2gOpenAIFree | N/A | N/A | 0 | |
gpt-5.4-nano-p2gOpenAIFree | N/A | N/A | 0 | |
gpt-5.4-p2gOpenAIFree | N/A | N/A | 0 | |
gpt-5.4-searchOpenAIFree | N/A | N/A | 0 | |
gpt-5.5-2026-04-23-noneOpenAIFree | N/A | N/A | 0 | |
gpt-5.5-searchOpenAIFree | N/A | N/A | 0 | |
gpt-oss-120b-cerebrasOpenAIFree | N/A | N/A | 0 | |
gpt-oss-120b-paiOpenAIFree | N/A | N/A | 0 | |
kiro-gpt-3-5-turboOpenAIFree | N/A | N/A | 0 | |
kiro-gpt-4OpenAIFree | N/A | N/A | 0 | |
kiro-gpt-4oOpenAIFree | N/A | N/A | 0 | |
kiro-gpt-4-turboOpenAIFree | N/A | N/A | 0 | |
gpt-image-2-allOpenAIFree Image | N/A | N/A | 0 | |
gpt5OpenAIFree | N/A | N/A | 0 | |
gpt5-miniOpenAIFree | N/A | N/A | 0 | |
gpt-5.5-xhighOpenAIFree | 78.93 t/s | 6.94 s | 5 | |
gpt-5.5-highOpenAIFree | N/A | N/A | 0 | |
[NV]gpt-oss-120bOpenAIFree | N/A | N/A | 0 | |
gpt-5.5(high)OpenAIFree | N/A | N/A | 0 | |
opengpt-x/teuken-7b-instruct-commercial-v0.4Free | N/A | N/A | 0 | |
gpt-5.5(xhigh)OpenAIFree | N/A | N/A | 0 | |
yandex/gpt-pro-5.1OpenAIFree | N/A | N/A | 0 | |
yandex/gpt-pro-5OpenAIFree | N/A | N/A | 0 | |
yandex/gpt-lite-5OpenAIFree | N/A | N/A | 0 | |
OpenAIFree OpenAI GPT-4o Mini Transcribe is a speech-to-text model, designed for accurate audio transcription and recognition. | +3 moreShow fewer | N/A | N/A | 0 |
OpenAIFree OpenAI GPT-4o Transcribe is a speech-to-text model, designed for accurate audio transcription and recognition. | +5 moreShow fewer | N/A | N/A | 0 |
OpenAIFree ChatMultimodalReasoningResponseAPIGPT-5.5 Pro is OpenAI’s high-capability model optimized for deep reasoning and accuracy on complex, high-stakes workloads. It features a 1M+ token context window (922K input, 128K output) with support for... | +1 moreShow fewer | N/A | N/A | 0 |
openai/gpt-audioKilo GatewayFree Audio128K | N/A | N/A | 0 | |
openai/gpt-audio-miniKilo GatewayFree Audio128K | N/A | N/A | 0 | |
gpt-5.1-miniOpenAIFree | N/A | N/A | 0 | |
OpenAIFree ChatOpenAI GPT-4o Study is an instruction-tuned variant in the GPT-4 series, optimized for following instructions and conversational tasks. | N/A | N/A | 0 | |
OpenAIFree OpenAI GPT-4o DALL-E is an image generation model combining GPT-4o reasoning with DALL-E image synthesis, enabling detailed visual creation from conversational prompts. | N/A | N/A | 0 | |
OpenAIFree OpenAI GPT-3.5 Net is a language model in the GPT-3.5 series, offering general-purpose reasoning, code generation, and multimodal capabilities. | N/A | N/A | 0 | |
OpenAIFree OpenAI GPT-4 DALL-E is an image generation model integrated with GPT-4 capabilities, producing detailed images from natural language descriptions for design and content workflows. | N/A | N/A | 0 | |
OpenAIFree OpenAI GPT-4o Audio is an audio-capable language model in the GPT-4 series, supporting voice input and output alongside text. | +8 moreShow fewer | N/A | N/A | 0 |
OpenAIFree OpenAI GPT-4o Mini Audio is an audio-capable language model in the GPT-4 series, supporting voice input and output alongside text. | +2 moreShow fewer | N/A | N/A | 0 |
OpenAIFree OpenAI GPT-4o Mini Realtime is a realtime audio model in the GPT-4 series, supporting low-latency speech and conversational interactions. | +2 moreShow fewer | N/A | N/A | 0 |
OpenAIFree ChatRealtime VoiceOpenAI GPT-4o Realtime is a realtime audio model in the GPT-4 series, supporting low-latency speech and conversational interactions. | +5 moreShow fewer | N/A | N/A | 0 |
OpenAIFree OpenAI GPT-4o Transcribe Diarize is a speech-to-text model, designed for accurate audio transcription and recognition. | +3 moreShow fewer | N/A | N/A | 0 |
OpenAIFree FilesVisionOpenAI ChatGPT Image is an image generation capability within ChatGPT, allowing users to create and refine images directly from conversational text prompts. | +2 moreShow fewer | N/A | N/A | 0 |
OpenAIFree ReasoningToolsFilesVisionOpenAI GPT-5 Codex Mini is a code-specialized variant in the GPT-5 series, optimized for code generation, debugging, and software development tasks. | +8 moreShow fewer | N/A | N/A | 0 |
OpenAIFree ChatImageImage EditOpenAI GPT-4o Image is an image generation model in the GPT-4o family, creating visuals from text prompts with fast inference for chat, design, and multimodal agent use cases. | +1 moreShow fewer | N/A | N/A | 0 |
OpenAIFree ChatWeb SearchOpenAI GPT-4 Net is a language model in the GPT-4 series, offering general-purpose reasoning, code generation, and multimodal capabilities. | N/A | N/A | 0 | |
OpenAIFree FilesVisionImageChatOpenAI GPT Image 1.5 is an image generation model that produces detailed visuals from text prompts, supporting creative workflows and multimodal applications on OpenAI APIs. | +8 moreShow fewer | N/A | N/A | 0 |
OpenAIFree ChatGPTsOpenAI GPT-4 Gizmo is an instruction-tuned variant in the GPT-4 series, optimized for following instructions and conversational tasks. | +1 moreShow fewer | N/A | N/A | 0 |
Free OpenAI Net GPT-4o is a language model in the GPT series, offering general-purpose reasoning, code generation, and multimodal capabilities. | N/A | N/A | 0 | |
OpenAIFree ToolsVision128KChatOpenAI ChatGPT-4o is the GPT-4o model exposed through ChatGPT endpoints, offering multimodal chat, vision, and fast conversational responses. | +5 moreShow fewer | 100.72 t/s | 3.47 s | 2 |
LMSpeed tracks 156 free GPT API models across 156 providers. All speed and latency data comes from real API benchmarks, updated regularly.