{
  "generator": "jevpricing.com",
  "verified_on": "2026-10-17",
  "disambiguation": "Jev is an AI model by TypeSafe AI, not Japanese encephalitis virus.",
  "unit": "USD per 1,000,000 tokens",
  "models": [
    {
      "id": "jev-1.13.0",
      "name": "Jev 1.13",
      "vendor": "TypeSafe AI",
      "kind": "system-one",
      "input": 0.042,
      "output": 0,
      "output_billed": false,
      "limits": {
        "scope": "organization",
        "tokens_per_second": null,
        "requests_per_second": null,
        "quota_source": "https://console.typesafe.ai/",
        "context_total": 64000,
        "context_state_plus_longest_question": 32000,
        "context_mode": "default",
        "long_context": {
          "enabled_by_default": false,
          "header": "TypeSafe-Danger-Zone-Long-Context: true",
          "per_request": 262000,
          "per_question": 262000,
          "price": "same per token",
          "tradeoff": "slower and less accurate"
        }
      },
      "source": "https://docs.typesafe.ai/models",
      "first_party": true,
      "access": {
        "signups_open": null,
        "signups_paused_since": "2026-09-22",
        "signups_paused_source": "https://x.com/typesafeai/status/2102281508950307159",
        "no_account_route": "OpenRouter: typesafe/jev-1.13 or typesafe/jev-1.14; 262,144-token context; same price",
        "generally_available": null,
        "since": "2026-09-20",
        "since_source": "https://x.com/typesafeai/status/2101786156572823624",
        "signup_credit_usd": 5,
        "signup_credit_source": "https://venturebeat.com/security/companies-are-putting-jev-in-charge-of-ai-agent-decisions-and-prompt-injection-can-influence-the-verdict",
        "monthly_subscription": "not_published",
        "custom_and_enterprise_plans": true,
        "note": "Signup pause and $5 credit are September 2026 historical reports, not reverified current availability or offers. Check the console for present terms.",
        "status": "historical_snapshot",
        "snapshot_on": "2026-09-23"
      },
      "billing_overhead": {
        "tokens_per_request": 260,
        "measured": "261 billed input tokens per request beyond state and questions, jev-1.13-20260917 via OpenRouter (provider TypeSafe), 2,976 requests",
        "source": "https://github.com/blowxian/jev-fanout-bench",
        "verified_on": "2026-09-23",
        "measured_on": "2026-09-23",
        "scope": "jev-1.13-20260917 via OpenRouter; not retested for 1.14 or long context"
      },
      "aliases": {
        "route": "typesafe_direct",
        "jev-latest": "jev-1.13.0",
        "jev-preview": "jev-1.14.0"
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      "verified_on": "2026-10-17"
    },
    {
      "id": "jev-1.14.0",
      "name": "Jev 1.14",
      "vendor": "TypeSafe AI",
      "kind": "system-one",
      "input": 0.042,
      "output": 0,
      "output_billed": false,
      "limits": {
        "scope": "organization",
        "tokens_per_second": null,
        "requests_per_second": null,
        "quota_source": "https://console.typesafe.ai/",
        "context_total": 64000,
        "context_state_plus_longest_question": 32000,
        "context_mode": "default",
        "long_context": {
          "enabled_by_default": false,
          "header": "TypeSafe-Danger-Zone-Long-Context: true",
          "per_request": 262000,
          "per_question": 262000,
          "price": "same per token",
          "tradeoff": "slower and less accurate"
        }
      },
      "source": "https://docs.typesafe.ai/models",
      "first_party": true,
      "access": {
        "signups_open": null,
        "signups_paused_since": "2026-09-22",
        "signups_paused_source": "https://x.com/typesafeai/status/2102281508950307159",
        "no_account_route": "OpenRouter: typesafe/jev-1.13 or typesafe/jev-1.14; 262,144-token context; same price",
        "generally_available": null,
        "since": "2026-09-20",
        "since_source": "https://x.com/typesafeai/status/2101786156572823624",
        "signup_credit_usd": 5,
        "signup_credit_source": "https://venturebeat.com/security/companies-are-putting-jev-in-charge-of-ai-agent-decisions-and-prompt-injection-can-influence-the-verdict",
        "monthly_subscription": "not_published",
        "custom_and_enterprise_plans": true,
        "note": "Signup pause and $5 credit are September 2026 historical reports, not reverified current availability or offers. Check the console for present terms.",
        "status": "historical_snapshot",
        "snapshot_on": "2026-09-23"
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      "aliases": {
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        "jev-latest": "jev-1.13.0",
        "jev-preview": "jev-1.14.0"
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      "verified_on": "2026-10-17"
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  ],
  "comparison_models": [
    {
      "id": "gpt-5.6-luna",
      "vendor": "OpenAI",
      "input": 0.2,
      "output": 1.2,
      "snapshot_on": "2026-09-21",
      "source": "https://developers.openai.com/api/docs/models/gpt-5.6-luna",
      "verified_on": "2026-10-17"
    },
    {
      "id": "claude-haiku-4.5",
      "vendor": "Anthropic",
      "input": 1,
      "output": 5,
      "snapshot_on": "2026-09-21",
      "source": "https://platform.claude.com/docs/en/about-claude/pricing#model-pricing",
      "verified_on": "2026-10-17"
    },
    {
      "id": "claude-sonnet-5",
      "vendor": "Anthropic",
      "input": 2,
      "output": 10,
      "snapshot_on": "2026-09-21",
      "source": "https://platform.claude.com/docs/en/about-claude/pricing#model-pricing",
      "verified_on": "2026-10-17"
    },
    {
      "id": "gpt-5.6-terra",
      "vendor": "OpenAI",
      "input": 2,
      "output": 12,
      "snapshot_on": "2026-09-21",
      "source": "https://developers.openai.com/api/docs/models/gpt-5.6-terra",
      "verified_on": "2026-10-17"
    },
    {
      "id": "gpt-5.6-sol",
      "vendor": "OpenAI",
      "input": 4,
      "output": 20,
      "snapshot_on": "2026-09-21",
      "source": "https://developers.openai.com/api/docs/models/gpt-5.6-sol",
      "verified_on": "2026-10-17"
    },
    {
      "id": "claude-opus-5",
      "vendor": "Anthropic",
      "input": 5,
      "output": 25,
      "snapshot_on": "2026-09-21",
      "source": "https://platform.claude.com/docs/en/about-claude/pricing#model-pricing",
      "verified_on": "2026-10-17"
    },
    {
      "id": "claude-fable-5.1",
      "vendor": "Anthropic",
      "input": 10,
      "output": 50,
      "snapshot_on": "2026-09-21",
      "source": "https://platform.claude.com/docs/en/about-claude/pricing#model-pricing",
      "verified_on": "2026-10-17"
    },
    {
      "id": "gpt-6-astra",
      "vendor": "OpenAI",
      "input": 10,
      "output": 50,
      "snapshot_on": "2026-09-21",
      "source": "https://developers.openai.com/api/docs/models/gpt-6-astra",
      "verified_on": "2026-10-17"
    }
  ],
  "comparison_models_note": "Standard base text-token list rates checked against each linked official model/pricing page on 2026-10-17. snapshot_on preserves the original 2026-09-21 snapshot date. Editable assumptions exclude caching, batch, fast-mode, regional, long-context and negotiated pricing; check vendor terms before budgeting.",
  "last_updated": "2026-10-17",
  "canonical_url": "https://jevpricing.com/prices.json",
  "license": "CC-BY-4.0",
  "primary_source": "https://docs.typesafe.ai/models",
  "common_error": {
    "claim": "$0.42 per 1M input tokens",
    "correct": "$0.042 per 1M input tokens",
    "note": "$42 per 1B is the same correct number as $0.042 per 1M. $0.42 per 1M is ten times too high and appears on several pages that rank for Jev pricing.",
    "explainer": "https://jevpricing.com/price-check/"
  },
  "fan_out": {
    "typesafe_terms": [
      "speculative fan-out",
      "parallel questions"
    ],
    "formula_one_call": "request_overhead_tokens + state_tokens + questions * question_tokens",
    "formula_n_calls": "questions * (request_overhead_tokens + state_tokens + question_tokens)",
    "first_party_benchmark": {
      "source": "https://docs.typesafe.ai/cookbooks/parallel_questions",
      "model": "jev-1.12",
      "document_characters": 53777,
      "questions": 13,
      "cost_multiple": 12.2,
      "latency_multiple": 10.0,
      "status": "historical jev-1.12 cookbook example"
    },
    "request_overhead_tokens": 260,
    "overhead_source": "Historical OpenRouter jev-1.13-20260917 measurement, 2026-09-23; approximate, not official",
    "default_workload": {
      "items_per_day": 100000,
      "days": 30,
      "state_tokens": 500,
      "questions": 4,
      "question_tokens": 60,
      "billed_tokens_per_call": 1000,
      "monthly_usd": 126,
      "unbatched_monthly_usd": 413.28
    }
  },
  "format_version": 2,
  "routes": [
    {
      "route": "openrouter",
      "model_id": "typesafe/jev-1.13",
      "provider": "TypeSafe",
      "input": 0.042,
      "output": 0,
      "context": 262144,
      "source": "https://openrouter.ai/api/v1/models/typesafe/jev-1.13/endpoints",
      "verified_on": "2026-10-17"
    },
    {
      "route": "openrouter",
      "model_id": "typesafe/jev-1.14",
      "provider": "TypeSafe",
      "input": 0.042,
      "output": 0,
      "context": 262144,
      "source": "https://openrouter.ai/api/v1/models/typesafe/jev-1.14/endpoints",
      "verified_on": "2026-10-17"
    }
  ],
  "route_aliases": {
    "typesafe_direct": {
      "jev-latest": "jev-1.13.0",
      "jev-preview": "jev-1.14.0"
    },
    "openrouter": {
      "~typesafe/jev-latest": "typesafe/jev-1.14"
    }
  },
  "openrouter_long_context": {
    "text_bytes_approx": 32000,
    "images_use_long_context": true,
    "source": "https://openrouter.ai/docs/guides/community/jev",
    "verified_on": "2026-10-17"
  }
}