Models

Text Generation Models

Use with POST /chat/completions.

OpenAI

Model	Premium	Context	Best for
`gpt-4.1-nano`	No	128K	Fast, cheap tasks
`gpt-4.1-mini`	No	128K	Balanced quality/cost
`gpt-4.1`	Yes	128K	High-quality reasoning
`gpt-4o`	No	128K	Multimodal, vision
`gpt-4o-mini`	No	128K	Fast multimodal
`gpt-5`	Yes	128K	Frontier reasoning
`gpt-5.1`	Yes	128K	Enhanced GPT-5
`gpt-5.2`	Yes	128K	Latest GPT-5 series
`gpt-5.4`	Yes	1.05M	Flagship reasoning, coding, and agentic work
`gpt-5.3-instant`	Yes	128K	Fast GPT-5
`gpt-5.4-nano`	Yes	400K	Cheapest GPT-5.4-class model for simple high-volume tasks
`gpt-5.4-mini`	Yes	400K	Strong mini model for lower-latency coding and agentic work
`o3`	Yes	200K	Advanced reasoning
`o4-mini`	Yes	200K	Fast reasoning
`openai/gpt-oss-20b`	No	128K	Open-source 20B
`openai/gpt-oss-120b`	No	128K	Open-source 120B

Google Gemini

Model	Premium	Context	Best for
`gemini-2.0-flash`	No	1M	Fast, large context
`gemini-2.5-flash`	No	1M	Latest flash model
`gemini-2.5-flash-lite-preview-06-17`	No	1M	Ultra-light
`gemini-2.5-pro`	No	1M	High quality
`gemini-2.5-pro-preview-06-05`	No	1M	Preview
`gemini-3-flash`	Yes	1M	Next-gen flash
`gemini-3.1-pro`	Yes	1M	Next-gen pro
`gemini-3.1-flash-lite`	Yes	1M	Next-gen lite

Anthropic Claude

Model	Premium	Context	Best for
`claude-sonnet-4`	Yes	200K	Balanced quality
`claude-opus-4`	Yes	200K	Highest quality
`claude-sonnet-4-5`	Yes	200K	Enhanced Sonnet
`claude-opus-4-5`	Yes	200K	Enhanced Opus
`claude-haiku-4-5`	Yes	200K	Fast, affordable
`claude-sonnet-4-6`	Yes	200K	Latest Sonnet
`claude-opus-4-6`	Yes	200K	Latest Opus

Meta Llama (via Groq)

Model	Premium	Context	Best for
`llama-4-scout-17b-16e-instruct`	No	128K	Fast open-source
`llama-3.3-70b-versatile`	No	128K	Versatile tasks
`llama-3.1-8b-instant`	No	128K	Ultra-fast

Other

Model	Premium	Context	Best for
`qwen/qwen3-32b`	No	128K	Multilingual
`groq/compound`	No	128K	Agentic, tool use
`groq/compound-mini`	No	128K	Light agentic
`sarvam-m`	No	8K	Indian languages

Premium models require wallet balance (top up at euron.one/euri). Non-premium models use your daily free token quota.

Embedding Models

Use with POST /embeddings.

Model	Provider	Dimensions	Max Input	Premium
`text-embedding-3-small`	OpenAI	1,536	8,191	No
`togethercomputer/m2-bert-80M-32k-retrieval`	Together	768	32,768	No
`gemini-embedding-001`	Google	128–3,072	2,048	No
`gemini-embedding-2-preview`	Google	128–3,072	8,192	Yes

gemini-embedding-2-preview is Google’s first natively multimodal embedding model, mapping text, images, video, audio, and PDFs into a unified embedding space. Through the Euri API, text embedding is supported. Trained with Matryoshka Representation Learning — set dimensions to 768, 1536, or 3072 to balance cost vs. quality.

Image Generation Models

Use with POST /images/generations.

Model	Provider	Premium
`gemini-3-pro-image-preview`	Google	No

Speech-to-Text Models

Use with POST /audio/transcriptions.

Model	Provider	Premium
`whisper-large-v3`	OpenAI	Yes
`whisper-large-v3-turbo`	OpenAI	Yes
`sarvam-stt`	Sarvam AI	Yes

Text-to-Speech Models

Use with POST /audio/speech.

Model	Provider	Premium
`canopylabs/orpheus-v1-english`	Canopy Labs	No
`canopylabs/orpheus-arabic-saudi`	Canopy Labs	No
`playai-tts`	PlayAI	No
`playai-tts-arabic`	PlayAI	No
`sarvam-tts`	Sarvam AI	Yes

Listing models via API

curl https://api.euron.one/api/v1/euri/models \
  -H "Authorization: Bearer YOUR_EURI_API_KEY"

Getting Started

API Reference

SDKs

Text Generation Models

OpenAI

Google Gemini

Anthropic Claude

Meta Llama (via Groq)

Other

Embedding Models

Image Generation Models

Speech-to-Text Models

Text-to-Speech Models

Listing models via API

​Text Generation Models

​OpenAI

​Google Gemini

​Anthropic Claude

​Meta Llama (via Groq)

​Other

​Embedding Models

​Image Generation Models

​Speech-to-Text Models

​Text-to-Speech Models

​Listing models via API

Text Generation Models

OpenAI

Google Gemini

Anthropic Claude

Meta Llama (via Groq)

Other

Embedding Models

Image Generation Models

Speech-to-Text Models

Text-to-Speech Models

Listing models via API