GET
/v1/models/llmgateway/grok-4-20-beta-0309-reasoning
Accept:
| rawId | grok-4-20-beta-0309-reasoning |
| displayName | Grok 4.20 Beta Reasoning (0309) |
| id | llmgateway-grok-4-20-beta-0309-reasoning |
| activity | chat |
| schemaEndpointId | v1/chat/completions |
| releasedAt | 1773014400 — Mar 9, 2026 |
| firstSeenAt | 1773014400 — Mar 9, 2026 |
| lastSeenAt | 1794655968 — 47s ago |
| pricing | $2 / 1M input · $6 / 1M output · base rate; long prompts re-quote → open calculator input_tokens (usage) · output_tokens (usage) · cache_read_tokens (usage) · content_filtered_requests (usage) |
| contextWindow | 2000000 |
| maxOutput | 30000 |
| modalities | {"input":["text","image"],"output":["text"]} |
| capabilities | {"temperature":true,"max_tokens":true,"top_p":true,"response_format":true,"tools":true,"tool_choice":true,"reasoning":true,"frequency_penalty":false,"presence_penalty":false,"reasoning_effort":false,"seed":false,"stop":false} |
| requestMap | {"thinking":null,"maxTokensField":"max_tokens","developerRole":null,"replayReasoningContent":null,"store":null,"strictTools":null,"sessionAffinity":null,"cacheControl":null,"toolStream":null,"reasoningEffort":null} |
| knowledgeCutoff · openWeights · weightsUrl · providerMetadata | not published by this provider’s list endpoint |
Endpoints & schemas
GET /v1/schemas/llmgateway →| endpoint | activity |
|---|---|
| v1/chat/completions | chat |
endpoints matching this model — the provider has more, see /v1/schemas/llmgateway
Sources
| field | recorded source |
|---|---|
| contextWindow | Source unknown — no source URL recorded. listing |
| maxOutput | Source unknown — no source URL recorded. listing |
| modalities | Source unknown — no source URL recorded. listing |
| pricing | Source linked above. listing data[].providers[].pricing Source trace7b966d2d38e91e7db277563d21ce819d084b046c1d4f284fce3be0bf7983e750 |
| capabilities.temperature | Source unknown — no source URL recorded. listing |
| capabilities.max_tokens | Source unknown — no source URL recorded. listing |
| capabilities.top_p | Source unknown — no source URL recorded. listing |
| capabilities.response_format | Source unknown — no source URL recorded. listing |
| capabilities.tools | Source unknown — no source URL recorded. listing |
| capabilities.tool_choice | Source unknown — no source URL recorded. listing |
| capabilities.reasoning | Source unknown — no source URL recorded. listing |
| capabilities.frequency_penalty | Source unknown — no source URL recorded. listing unlisted |
| capabilities.presence_penalty | Source unknown — no source URL recorded. listing unlisted |
| capabilities.reasoning_effort | Source unknown — no source URL recorded. listing unlisted |
| capabilities.seed | Source unknown — no source URL recorded. listing unlisted |
| capabilities.stop | Source unknown — no source URL recorded. listing unlisted |
| activity | Source unknown — no source URL recorded. |
| reasoning | Source unknown — no source URL recorded. |
| requestMap | Source unknown — no source URL recorded. |
| schemaEndpointId | Source unknown — no source URL recorded. |
Use it
shell
$ curl https://modelschemas.com/v1/schemas/llmgateway/chat/v1/chat/completions # request schema
$ curl -X POST https://modelschemas.com/v1/validate -d '{"provider":"llmgateway","endpointId":"v1/chat/completions","payload":{…}}'
$ curl -X POST https://modelschemas.com/v1/estimate -d '{"provider":"llmgateway","model":"grok-4-20-beta-0309-reasoning","usage":{"input_tokens":1200,"output_tokens":400}}'