LocalAI/core/http/endpoints/ollama
LocalAI [bot] bc3fb16105
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feat(ollama): report model capabilities + details on /api/tags and /api/show (#9766)
Ollama-compatible clients (Open WebUI, Enchanted, ollama-grid-search,
etc.) rely on the `capabilities` list and `details.{parameter_size,
quantization_level,families}` fields returned by /api/tags and
/api/show to decide which models are eligible for a given task --
for example to filter the "embedding model" picker. Upstream Ollama
returns these; LocalAI's compat layer was leaving them empty, so
embedding models were silently rejected by clients that only allow
chat models for chat and only allow embedding models for embeddings.

This wires up the existing config signals already present in
ModelConfig:

- modelCapabilities() derives the Ollama capability strings from the
  config: "embedding" (FLAG_EMBEDDINGS), "completion" (FLAG_CHAT /
  FLAG_COMPLETION), "vision" (explicit KnownUsecases bit or MMProj /
  multimodal template / backend media marker), "tools" (auto-detected
  ToolFormatMarkers, JSON/Response regex, XML format, grammar
  triggers), "thinking" (ReasoningConfig with reasoning not disabled)
  and "insert" (presence of a completion template).
- modelDetailsFromModelConfig() now fills families, parameter_size
  and quantization_level. The latter two are parsed from the GGUF
  filename via regex -- conservative tokens only (Q*/IQ*/F16/F32/BF16
  and \d+(\.\d+)?[BM] surrounded by separators) so we don't accidentally
  match "Qwen3" as "3B".
- modelInfoFromModelConfig() exposes general.architecture and
  general.context_length in the new ShowResponse.model_info map.

Note: HasUsecases(FLAG_VISION) cannot be used directly -- GuessUsecases
has no FLAG_VISION case and returns true at the end for any chat model.
hasVisionSupport() instead reads KnownUsecases explicitly plus MMProj /
template / media-marker signals.

Tests are written first (TDD) using Ginkgo/Gomega -- DescribeTable for
the capability mapping (embedding-only, chat, vision, thinking, tools
via markers, tools via JSON regex, no-capability rerank) plus
integration tests against ShowModelEndpoint that round-trip JSON
through a real ModelConfigLoader populated from a temp YAML file.

Fixes #9760.


Assisted-by: Claude Code:claude-opus-4-7

Signed-off-by: Ettore Di Giacinto <mudler@localai.io>
Co-authored-by: Ettore Di Giacinto <mudler@localai.io>
2026-05-12 00:16:19 +02:00
..
capabilities.go feat(ollama): report model capabilities + details on /api/tags and /api/show (#9766) 2026-05-12 00:16:19 +02:00
capabilities_test.go feat(ollama): report model capabilities + details on /api/tags and /api/show (#9766) 2026-05-12 00:16:19 +02:00
chat.go feat(api): add ollama compatibility (#9284) 2026-04-09 14:15:14 +02:00
embed.go feat(api): add ollama compatibility (#9284) 2026-04-09 14:15:14 +02:00
generate.go feat(api): add ollama compatibility (#9284) 2026-04-09 14:15:14 +02:00
helpers.go feat(api): add ollama compatibility (#9284) 2026-04-09 14:15:14 +02:00
models.go feat(ollama): report model capabilities + details on /api/tags and /api/show (#9766) 2026-05-12 00:16:19 +02:00
models_test.go feat(ollama): report model capabilities + details on /api/tags and /api/show (#9766) 2026-05-12 00:16:19 +02:00