GET
/v1/models/llmgateway/flux-2-klein-4b
Accept:
| rawId | flux-2-klein-4b |
| displayName | FLUX.2 Klein 4B |
| id | llmgateway-flux-2-klein-4b |
| activity | image |
| schemaEndpointId | v1/images/generations |
| releasedAt | 1768435200 — Jan 15, 2026 |
| firstSeenAt | 1768435200 — Jan 15, 2026 |
| lastSeenAt | 1794564180 — 12m ago |
| pricing | not published by this provider’s list endpoint |
| modalities | {"input":["text"],"output":["image"]} |
| capabilities | {"temperature":true,"max_tokens":true,"top_p":true,"frequency_penalty":true,"presence_penalty":true,"response_format":true,"tools":true,"tool_choice":true,"reasoning":false,"reasoning_effort":false,"seed":false,"stop":false} |
| contextWindow · maxOutput · knowledgeCutoff · openWeights · weightsUrl · requestMap · providerMetadata | not published by this provider’s list endpoint |
Endpoints & schemas
GET /v1/schemas/llmgateway →| endpoint | activity |
|---|---|
| v1/images/generations | image |
endpoints matching this model — the provider has more, see /v1/schemas/llmgateway
Sources
| field | recorded source |
|---|---|
| modalities | Source unknown — no source URL recorded. listing |
| 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.frequency_penalty | Source unknown — no source URL recorded. listing |
| capabilities.presence_penalty | 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 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. |
| contextWindow | Source unknown — no source URL recorded. |
| maxOutput | Source unknown — no source URL recorded. |
| pricing | 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/image/v1/images/generations # request schema
$ curl -X POST https://modelschemas.com/v1/validate -d '{"provider":"llmgateway","endpointId":"v1/images/generations","payload":{…}}'
$ curl -X POST https://modelschemas.com/v1/estimate -d '{"provider":"llmgateway","model":"flux-2-klein-4b","usage":{"input_tokens":1200,"output_tokens":400}}'