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[BOT ISSUE] Bedrock: add missing Moonshot Kimi K3 models (moonshotai.kimi-k3 + geo variants) #1271

Description

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Summary

Moonshot AI's Kimi K3 launched on AWS Bedrock on September 18, 2026, but the three required catalog entries are missing from model_list.json. The catalog already has the predecessor moonshotai.kimi-k2.5 (line ~9447) with the same Bedrock naming convention, confirming the pattern.

Missing Models

Model ID Type Notes
moonshotai.kimi-k3 Base Bedrock entry Primary model ID
us.moonshotai.kimi-k3 US cross-region inference Geo variant
global.moonshotai.kimi-k3 Global cross-region inference Geo variant

Suggested Catalog Entry (base)

"moonshotai.kimi-k3": {
  "format": "converse",
  "flavor": "chat",
  "multimodal": true,
  "input_cost_per_mil_tokens": 3.00,
  "output_cost_per_mil_tokens": 15.00,
  "input_cache_read_cost_per_mil_tokens": 0.30,
  "input_cache_write_cost_per_mil_tokens": 3.75,
  "displayName": "Kimi K3",
  "max_input_tokens": 1000000,
  "available_providers": [
    "bedrock"
  ]
}

Geo variants (us.moonshotai.kimi-k3, global.moonshotai.kimi-k3) should follow the same pattern as other Bedrock geo entries, with parent: "moonshotai.kimi-k3".

Notes:

  • multimodal: true — accepts text and image input, outputs text
  • Pricing is from Global CRIS (cross-region inference) tier: $3.00 input / $15.00 output / $0.30 cache read / $3.75 cache write per 1M tokens
  • max_output_tokens not listed on the model card — verify from the API or set consistent with K2.5's 16384
  • reasoning field: not indicated on the model card; omit unless confirmed

Template

Use moonshotai.kimi-k2.5 (line ~9447) as a structural template. Key differences:

  • Higher pricing ($3.00/$15.00 vs $0.60/$3.00)
  • Larger context (1M vs 256K)
  • Add cache pricing fields (input_cache_read_cost_per_mil_tokens, input_cache_write_cost_per_mil_tokens)
  • No reasoning: true unless confirmed

Sources

  • Bedrock Kimi K3 Model Card — confirms model ID moonshotai.kimi-k3, geo IDs us.moonshotai.kimi-k3 and global.moonshotai.kimi-k3, multimodal (text+image), 1M token context, launched Sept 18 2026
  • Amazon Bedrock Pricing — Global CRIS pricing: $3.00/$15.00 input/output, $0.30 cache read, $3.75 cache write per 1M tokens

Verification Checklist

Check Status Detail
Cross-source (model existence) ✅ Confirmed on Bedrock model card page AND Bedrock supported models list
Cross-source (pricing) ✅ Bedrock pricing page confirms Global CRIS tier pricing
Already in catalog ✅ grep for moonshotai.kimi-k3 in model_list.json returns 0 matches
ID format ✅ Follows existing moonshotai.kimi-k2.5 naming convention
Duplicate check ✅ No open issue covers Bedrock moonshotai.kimi-k3 (searched "kimi-k3" and "kimi k3" — only #1110 for Perplexity Agent API variant, different provider)
Not deprecated ✅ Launched September 18, 2026 — brand new model
Not embedding/image-only ✅ Chat model with text+image input, text output

Local Files Inspected

  • packages/proxy/schema/model_list.json — confirmed moonshotai.kimi-k3, us.moonshotai.kimi-k3, and global.moonshotai.kimi-k3 are all absent; predecessor moonshotai.kimi-k2.5 exists at line ~9447
{
  "kind": "missing_model",
  "provider": "bedrock",
  "models": ["moonshotai.kimi-k3", "us.moonshotai.kimi-k3", "global.moonshotai.kimi-k3"],
  "status": "active",
  "model_specs": {
    "moonshotai.kimi-k3": {
      "format": "converse",
      "flavor": "chat",
      "multimodal": true,
      "input_cost_per_mil_tokens": 3.00,
      "output_cost_per_mil_tokens": 15.00,
      "input_cache_read_cost_per_mil_tokens": 0.30,
      "input_cache_write_cost_per_mil_tokens": 3.75,
      "displayName": "Kimi K3",
      "max_input_tokens": 1000000,
      "available_providers": ["bedrock"]
    },
    "us.moonshotai.kimi-k3": {
      "format": "converse",
      "flavor": "chat",
      "multimodal": true,
      "input_cost_per_mil_tokens": 3.00,
      "output_cost_per_mil_tokens": 15.00,
      "input_cache_read_cost_per_mil_tokens": 0.30,
      "input_cache_write_cost_per_mil_tokens": 3.75,
      "displayName": "Kimi K3",
      "max_input_tokens": 1000000,
      "parent": "moonshotai.kimi-k3",
      "available_providers": ["bedrock"]
    },
    "global.moonshotai.kimi-k3": {
      "format": "converse",
      "flavor": "chat",
      "multimodal": true,
      "input_cost_per_mil_tokens": 3.00,
      "output_cost_per_mil_tokens": 15.00,
      "input_cache_read_cost_per_mil_tokens": 0.30,
      "input_cache_write_cost_per_mil_tokens": 3.75,
      "displayName": "Kimi K3",
      "max_input_tokens": 1000000,
      "parent": "moonshotai.kimi-k3",
      "available_providers": ["bedrock"]
    }
  },
  "source_urls": [
    "https://docs.aws.amazon.com/bedrock/latest/userguide/model-card-moonshotai-kimi-k3.html",
    "https://aws.amazon.com/bedrock/pricing/"
  ]
}

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