model field on /v1/chat/completions. Receipts identify which
model was actually used.
Router modes
MESH house tier
MESH-curated models for everyday workloads. Pricing covers input / output per million tokens.Anthropic
Meta Llama
Mistral
DeepSeek
OpenAI gpt-oss
OpenAI (chat + reasoning)
Google Gemma
Alibaba Qwen
AI21 Jamba
Moonshot Kimi
Z.AI GLM
Writer Palmyra
NVIDIA Nemotron
MiniMax
Perplexity Sonar (search-grounded)
Sonar models answer with real-time web search citations. Choosemesh/sonar for cheap factual
lookups, mesh/sonar-pro for higher-quality grounded answers with tool calling, and
mesh/sonar-reasoning when you want the model to reason over search results before answering.
xAI Grok
Picking a model
GET /v1/models returns the live machine-readable catalogue — IDs, context length, pricing,
modalities, capabilities, supported parameters. GET /v1/models/{id} returns a single record. Treat
the live API as the source of truth; this page is updated periodically.
Capability legend
- streaming —
stream: truereturns SSE deltas. - tools / tool calling — accepts
tools[]+tool_choice; returnstool_callswithfinish_reason: tool_calls. - structured output — accepts
response_format: { type: "json_object" | "json_schema" }. - vision — accepts
image_urlparts in messages. - reasoning — model emits structured reasoning tokens.
- web search — model answers from real-time web search and returns citations alongside the completion.
- embeddings — addressed via
/v1/embeddings.
x-mesh-upstream-cost-usd, x-mesh-margin-usd, x-mesh-total-usd,
x-mesh-receipt-id on every response.