{
 "methodology_version": "2.0",
 "generated_at": "2026-10-31T21:06:50Z",
 "as_of": "2026-10-31T00:00:00Z",
 "valid_until": "2026-11-02T00:00:00Z",
 "window": {
  "start": "2026-10-24T00:00:00Z",
  "end": "2026-10-31T00:00:00Z",
  "days": 7,
  "observed_days": 7.0
 },
 "model": {
  "id": "mistralai/mistral-large-4-0",
  "permaslug": "mistralai/mistral-large-4-0-20261006",
  "name": "Mistral Large 4",
  "maker": "Mistral",
  "file": "models/mistral-large-4-0.json"
 },
 "metric": "invalid_tool_call_rate",
 "status": "no_reliable_provider",
 "status_reason": "every provider breaks 3% of tool calls or more",
 "confidence": "none",
 "recommendation": null,
 "thresholds": {
  "min_tool_calls_per_day_to_recommend": 1000,
  "median_invalid_tool_call_rate": 0.13236,
  "ignore_at_or_above": 0.03
 },
 "choices": [],
 "providers": [
  {
   "id": "mistral",
   "name": "Mistral",
   "rank": 1,
   "role": "ignored",
   "slugs": [
    "mistral"
   ],
   "variant": null,
   "makers_api": true,
   "retains_prompts": true,
   "trains_on_prompts": false,
   "sample_size": 123807,
   "failures": 6443,
   "invalid_tool_call_rate": 0.052041,
   "invalid_tool_call_rate_ci95": [
    0.050817,
    0.053292
   ],
   "tool_calls_per_day": 17687,
   "input_price_per_million": 0.7,
   "output_price_per_million": 2.1,
   "tokens_per_second": 86.0,
   "uptime": 0.9986,
   "quantizations": [],
   "endpoints": [
    {
     "tag": "mistral",
     "tier": false,
     "name": "Mistral",
     "quantization": null,
     "sample_size": 104912,
     "failures": 5604,
     "invalid_tool_call_rate": 0.053416
    },
    {
     "tag": "mistral/eu",
     "tier": false,
     "name": "Mistral",
     "quantization": null,
     "sample_size": 18895,
     "failures": 839,
     "invalid_tool_call_rate": 0.044403
    }
   ],
   "direct_api": {
    "model_id": "mistral-large-4-0",
    "dedicated_endpoint": false,
    "context_tokens": 1048576,
    "tool_choice": true,
    "docs": "https://docs.mistral.ai/studio/conversations/function-calling",
    "website": "https://mistral.ai",
    "status_page": "https://status.mistral.ai/",
    "terms": "https://mistral.ai/terms/#terms-of-use",
    "privacy": "https://mistral.ai/terms/#privacy-policy",
    "openrouter": "https://openrouter.ai/provider/mistral"
   }
  },
  {
   "id": "mistral/zdr",
   "name": "Mistral",
   "rank": 2,
   "role": "ignored",
   "slugs": [
    "mistral/zdr"
   ],
   "variant": "zdr",
   "makers_api": true,
   "retains_prompts": false,
   "trains_on_prompts": false,
   "sample_size": 749395,
   "failures": 99190,
   "invalid_tool_call_rate": 0.13236,
   "invalid_tool_call_rate_ci95": [
    0.131595,
    0.133129
   ],
   "tool_calls_per_day": 107056,
   "input_price_per_million": 0.7,
   "output_price_per_million": 2.1,
   "tokens_per_second": 87.0,
   "uptime": 0.9989,
   "quantizations": [],
   "endpoints": [
    {
     "tag": "mistral/zdr",
     "tier": false,
     "name": "Mistral",
     "quantization": null,
     "sample_size": 749395,
     "failures": 99190,
     "invalid_tool_call_rate": 0.13236
    }
   ],
   "direct_api": {
    "model_id": "mistral-large-4-0",
    "dedicated_endpoint": false,
    "context_tokens": 1048576,
    "tool_choice": true,
    "docs": "https://docs.mistral.ai/studio/conversations/function-calling",
    "website": "https://mistral.ai",
    "status_page": "https://status.mistral.ai/",
    "terms": "https://mistral.ai/terms/#terms-of-use",
    "privacy": "https://mistral.ai/terms/#privacy-policy",
    "openrouter": "https://openrouter.ai/provider/mistral"
   }
  }
 ],
 "others": [],
 "structured_outputs": {
  "metric": "structured_output_error_rate",
  "as_of": "2026-10-31T00:00:00Z",
  "valid_until": "2026-11-02T00:00:00Z",
  "window": {
   "start": "2026-10-24T00:00:00Z",
   "end": "2026-10-31T00:00:00Z",
   "days": 7,
   "observed_days": 7.0
  },
  "status": "no_reliable_provider",
  "status_reason": "every provider breaks 3% of structured outputs or more",
  "confidence": "none",
  "recommendation": null,
  "thresholds": {
   "min_structured_outputs_per_day_to_recommend": 1000,
   "median_structured_output_error_rate": 0.080749,
   "ignore_at_or_above": 0.03
  },
  "providers": [
   {
    "id": "mistral/zdr",
    "name": "Mistral",
    "rank": 1,
    "role": "ignored",
    "slugs": [
     "mistral/zdr"
    ],
    "variant": "zdr",
    "sample_size": 71754,
    "failures": 4139,
    "structured_output_error_rate": 0.057683,
    "structured_output_error_rate_ci95": [
     0.056001,
     0.059413
    ],
    "structured_outputs_per_day": 10251,
    "endpoints": [
     {
      "tag": "mistral/zdr",
      "tier": false,
      "sample_size": 71754,
      "failures": 4139,
      "structured_output_error_rate": 0.057683
     }
    ]
   },
   {
    "id": "mistral",
    "name": "Mistral",
    "rank": 2,
    "role": "ignored",
    "slugs": [
     "mistral"
    ],
    "variant": null,
    "sample_size": 53202,
    "failures": 4296,
    "structured_output_error_rate": 0.080749,
    "structured_output_error_rate_ci95": [
     0.078464,
     0.083094
    ],
    "structured_outputs_per_day": 7600,
    "endpoints": [
     {
      "tag": "mistral",
      "tier": false,
      "sample_size": 47107,
      "failures": 3359,
      "structured_output_error_rate": 0.071306
     },
     {
      "tag": "mistral/eu",
      "tier": false,
      "sample_size": 6095,
      "failures": 937,
      "structured_output_error_rate": 0.153733
     }
    ]
   }
  ],
  "others": []
 },
 "source": "dottxt Tool-call Index (https://dottxt.ai), from OpenRouter's published measurements"
}