| 1 | package mistral |
| 2 | |
| 3 | import ( |
| 4 | "encoding/json" |
| 5 | "fmt" |
| 6 | "net/http" |
| 7 | "sort" |
| 8 | "strings" |
| 9 | ) |
| 10 | |
| 11 | const modelsURL = "https://api.mistral.ai/v1/models" |
| 12 | |
| 13 | type Model struct { |
| 14 | ID string `json:"id"` |
| 15 | } |
| 16 | |
| 17 | func (m Model) DisplayName() string { |
| 18 | return m.ID |
| 19 | } |
| 20 | |
| 21 | // family extracts the model family from an ID like "mistral-large-latest" -> "Mistral Large". |
| 22 | func (m Model) family() string { |
| 23 | id := m.ID |
| 24 | |
| 25 | // Strip version suffixes like "-latest", "-2501", "-2412". |
| 26 | id = strings.TrimSuffix(id, "-latest") |
| 27 | for _, suffix := range []string{"-2501", "-2502", "-2503", "-2504", "-2505", "-2506", "-2507", "-2508", "-2509", "-2510", "-2511", "-2512", |
| 28 | "-2401", "-2402", "-2403", "-2404", "-2405", "-2406", "-2407", "-2408", "-2409", "-2410", "-2411", "-2412"} { |
| 29 | id = strings.TrimSuffix(id, suffix) |
| 30 | } |
| 31 | |
| 32 | // Capitalize words for display. |
| 33 | parts := strings.Split(id, "-") |
| 34 | for i, p := range parts { |
| 35 | if len(p) > 0 { |
| 36 | parts[i] = strings.ToUpper(p[:1]) + p[1:] |
| 37 | } |
| 38 | } |
| 39 | return strings.Join(parts, " ") |
| 40 | } |
| 41 | |
| 42 | func ListModels(apiKey string) ([]Model, error) { |
| 43 | req, err := http.NewRequest("GET", modelsURL, nil) |
| 44 | if err != nil { |
| 45 | return nil, err |
| 46 | } |
| 47 | if apiKey != "" { |
| 48 | req.Header.Set("Authorization", "Bearer "+apiKey) |
| 49 | } |
| 50 | req.Header.Set("Accept", "application/json") |
| 51 | |
| 52 | resp, err := http.DefaultClient.Do(req) |
| 53 | if err != nil { |
| 54 | return nil, fmt.Errorf("fetching models: %w", err) |
| 55 | } |
| 56 | defer resp.Body.Close() |
| 57 | |
| 58 | if resp.StatusCode != http.StatusOK { |
| 59 | return nil, fmt.Errorf("models endpoint returned %s", resp.Status) |
| 60 | } |
| 61 | |
| 62 | var result struct { |
| 63 | Data []Model `json:"data"` |
| 64 | } |
| 65 | if err := json.NewDecoder(resp.Body).Decode(&result); err != nil { |
| 66 | return nil, fmt.Errorf("parsing models: %w", err) |
| 67 | } |
| 68 | |
| 69 | // Filter out non-API models (e.g. "mistral-vibe-cli", embedding, moderation models). |
| 70 | var filtered []Model |
| 71 | for _, m := range result.Data { |
| 72 | if isUsableModel(m.ID) { |
| 73 | filtered = append(filtered, m) |
| 74 | } |
| 75 | } |
| 76 | |
| 77 | return filtered, nil |
| 78 | } |
| 79 | |
| 80 | // isUsableModel returns true for chat/completion models usable as LLM backends. |
| 81 | func isUsableModel(id string) bool { |
| 82 | for _, prefix := range []string{ |
| 83 | "mistral-vibe", // Mistral Vibe CLI internal models |
| 84 | "mistral-embed", // embedding models |
| 85 | "mistral-moder", // moderation models |
| 86 | "mistral-ocr", // OCR models |
| 87 | "voxtral", // audio transcription models |
| 88 | "ministral", // small edge/on-device models |
| 89 | "magistral", // reasoning models (not suitable for agentic coding) |
| 90 | } { |
| 91 | if strings.HasPrefix(id, prefix) { |
| 92 | return false |
| 93 | } |
| 94 | } |
| 95 | return true |
| 96 | } |
| 97 | |
| 98 | func CategorizeModels(models []Model) ([]string, map[string][]Model) { |
| 99 | grouped := make(map[string][]Model) |
| 100 | for _, m := range models { |
| 101 | fam := m.family() |
| 102 | grouped[fam] = append(grouped[fam], m) |
| 103 | } |
| 104 | |
| 105 | // Sort models within each family. |
| 106 | for fam := range grouped { |
| 107 | sort.Slice(grouped[fam], func(i, j int) bool { |
| 108 | return grouped[fam][i].ID < grouped[fam][j].ID |
| 109 | }) |
| 110 | } |
| 111 | |
| 112 | // Collect and sort family names. |
| 113 | var families []string |
| 114 | for fam := range grouped { |
| 115 | families = append(families, fam) |
| 116 | } |
| 117 | sort.Strings(families) |
| 118 | |
| 119 | return families, grouped |
| 120 | } |
| 121 | |
| 122 | func AllModelIDs(models []Model) map[string]bool { |
| 123 | ids := make(map[string]bool, len(models)) |
| 124 | for _, m := range models { |
| 125 | ids[m.ID] = true |
| 126 | } |
| 127 | return ids |
| 128 | } |
| 129 | |