Supported Models
List of models supported by Synrel Gateway.
Visit the Models page for the latest list of supported models.
Claude
Anthropic's Claude model family, accessed via the /v1/messages endpoint.
claude-sonnet-4-6
Claude Sonnet 4.6
claude-sonnet-4-5-20250929
Claude Sonnet 4.5
claude-sonnet-4-20250514
Claude Sonnet 4
claude-haiku-4-5-20251001
Claude Haiku 4.5
claude-opus-4-6
Claude Opus 4.6
claude-opus-4-5-20251101
Claude Opus 4.5
claude-opus-4-1-20250805
Claude Opus 4.1
claude-opus-4-20250514
Claude Opus 4
OpenAI
OpenAI's GPT model family, supporting both the /v1/chat/completions and /v1/responses endpoints.
gpt-5.4
GPT-5.4
gpt-5.4-mini
GPT-5.4 mini
gpt-5.4-nano
GPT-5.4 nano
gpt-5.2
GPT-5.2
gpt-5.1
GPT-5.1
gpt-5
GPT-5
gpt-5-mini
GPT-5 mini
gpt-5-nano
GPT-5 nano
gpt-4.1
GPT-4.1
gpt-4.1-mini
GPT-4.1 mini
gpt-4.1-nano
GPT-4.1 nano
gpt-4o
GPT-4o
gpt-4o-mini
GPT-4o mini
o4-mini
o4-mini
o3
o3
o3-mini
o3-mini
o3-pro
o3-pro
gpt-5.3-codex
GPT-5.3-Codex
gpt-5.3-codex-spark
GPT-5.3-Codex-Spark
gpt-5.2-codex
GPT-5.2-Codex
gpt-5.1-codex-max
GPT-5.1-Codex-Max
gpt-5.1-codex
GPT-5.1-Codex
gpt-5-codex
GPT-5-Codex
gpt-5.1-codex-mini
GPT-5.1-Codex-Mini
Gemini
Google's Gemini model family, accessed via the Gemini API.