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fix(opencode): match Gemini Flash intro pricing - #13192

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fwang merged 2 commits into
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gemini-flash-intro-pricing
Nov 9, 2026
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fix(opencode): match Gemini Flash intro pricing#13192
fwang merged 2 commits into
devfrom
gemini-flash-intro-pricing

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@opencode-agent

@opencode-agent opencode-agent Bot commented Nov 9, 2026 •
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Zen charged Gemini 3.6/3.7/3.8 Flash at $1.50/$7.50/$0.15 (input/output/cache read, audio input $1.50), which is Google's price from 2027-01-01. Google's list price through 2026-12-31 is half that (https://ai.google.dev/gemini-api/docs/pricing).

  • gemini-3.6-flash, gemini-3.7-flash, gemini-3.8-flash: $0.75/$3.75/$0.075, audio input $0.75, plus a date >= 2027-01-01 ×2 multiplier (same pattern as gemini-4-argon), matching providers/google.
  • providers/google/models/gemini-3.7-flash.toml: adds the same 2027-01-01 doubling as 3.6 and 3.8 Flash. 3.7 Flash has the same promotion, but Google's pricing page doesn't list it yet.

v1 data change (sourced price fix), per bun run v1:check:

3  api cost.input: 1.5 -> 0.75
3  api cost.output: 7.5 -> 3.75
3  api cost.cache_read: 0.15 -> 0.075
3  api cost.input_audio: 1.5 -> 0.75

bun validate passes.

Docs: anomalyco/opencode gemini-flash-intro-pricing

Requested by: Frank via Slack

@opencode-agent opencode-agent Bot mentioned this pull request Nov 9, 2026
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github-actions Bot commented Nov 9, 2026

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No actionable findings.

@github-actions github-actions Bot added the reviewer: ready Automated review found no actionable items label Nov 9, 2026
@github-actions github-actions Bot removed the reviewer: ready Automated review found no actionable items label Nov 9, 2026
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github-actions Bot commented Nov 9, 2026

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Action items

  • [low] [possible mistake] providers/google/models/gemini-3.7-flash.toml:127 - Check: Date-gated price increases must be directly sourced. Why: This adds date >= 2027-01-01 ×2 claiming the same promotion as 3.6/3.8 Flash, while the PR body and file header admit Google's pricing page has no 3.7 Flash entry / does not list it yet, so no cited source shows an intro end-date or post-intro rates for 3.7. Action: Provide a direct Google citation stating 3.7 Flash intro pricing through 2026-12-31 and $1.50/$7.50/$0.15 from 2027-01-01, or remove the multiplier.
  • [low] [possible mistake] providers/opencode/models/gemini-3.6-flash.toml:28 - Check: Relay pricing changes need the relay's own pricing evidence, not only lab list price. Why: Prices are halved away from the cited Zen source (https://opencode.ai/v2/docs/console/models/ accessed 2026-10-21 listing $1.50/$7.50) to Google's intro price with a future ×2 multiplier, with no updated Zen docs/API cited showing Zen honors the intro period and 2027-01-01 increase. Action: Cite updated Zen pricing showing $0.75/$3.75/$0.075 with the 2027-01-01 increase for gemini-3.6-flash, gemini-3.7-flash, gemini-3.8-flash, or retain the Zen-documented price.

@fwang
fwang merged commit d21a0b4 into dev Nov 9, 2026
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@fwang
fwang deleted the gemini-flash-intro-pricing branch November 9, 2026 22:05
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