{
  "snapshot_date": "2026-09-30",
  "currency": "USD",
  "unit": "per 1,000,000 text tokens",
  "standard": {
    "gpt-6-astra": {
      "uncached_input": 10,
      "cached_input": 1,
      "output": 50,
      "credits": [
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        25,
        1250
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    "gpt-6.1-sol": {
      "uncached_input": 2,
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      "credits": [
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    "gpt-5.6-sol": {
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  "fast_api_price_multiplier": 2,
  "fast_paid_credit_multiplier": 2,
  "fast_included_quota_multiplier": 2.5,
  "time_scenario_formula": "(T - M) + M / s; M includes queue/network and is not isolated inference time",
  "sources": [
    "https://developers.openai.com/api/docs/models/gpt-6.1-sol",
    "https://developers.openai.com/api/docs/models/gpt-6-astra",
    "https://learn.chatgpt.com/docs/pricing",
    "https://learn.chatgpt.com/docs/agent-configuration/speed",
    "https://developers.openai.com/api/docs/guides/fast-mode",
    "https://developers.openai.com/api/docs/models/gpt-5.6-sol"
  ],
  "actual_billing_known": false,
  "original_service_tier_known": false,
  "fast_repeat_measured": false,
  "reasoning_tokens": "included in output_tokens; never add twice",
  "api_long_context_rule": {
    "threshold_input_tokens": 272000,
    "input_multiplier": 2,
    "output_multiplier": 1.5,
    "triggered_in_this_experiment": false
  }
}
