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OpenCode Go 5-hour limit shows ~50% consumed after only ~$1.80 of usage (DeepSeek V4 Pro, 13.9M cache reads) #43387
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Description
Bug Report
OpenCode Go 5-hour usage limit shows ~50% (≈$6 of the $12 window) consumed, but actual usage is only ~$1.80. Requests get rate-limited before the dollar limit is reached.
Actual behavior
- 5-hour limit: ~50% consumed with < $2 real usage
- Local
opencode stats --days 1 --modelsoutput:- opencode-go/deepseek-v4-pro: 102 messages, 673.1K input, 143.6K output, 13.9M cache read, local cost $1.03
- opencode-go/deepseek-v4-flash: 18 messages, 44.6K input, 4.6K output, 233.9K cache read, local cost $0.01
- Total local cost: $1.83
- Suspected cause: cache-read tokens billed at full input price instead of the discounted cache price ($0.022/M for DeepSeek V4 Pro), inflating usage ~30x (13.9M x $0.66 = ~$9.2)
Expected behavior
Usage should be counted at the documented Go rates (cache read = $0.022/M off-peak for V4 Pro).
Environment
- OpenCode 1.18.18
- Plan: OpenCode Go ($10/mo)
- Model: opencode-go/deepseek-v4-pro, opencode-go/deepseek-v4-flash
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github-actions commentedon Aug 19, 2026
This issue might be a duplicate of existing issues. Please check:
These all describe the same pattern of quota consumption appearing much higher than actual billed cost, particularly with DeepSeek models on the Go plan.
Zaczero commentedon Aug 19, 2026
The $1.80 already includes the cache reads at the published rate. The 5-hour bar is that amount after Pro’s Usage factor.
DeepSeek V4 Pro is Usage $15 in the table, so quota is
visible × (60 / 15) = 4×against the shared $12 / $30 / $60 windows:https://opencode.ai/docs/go/#usage-limits
50% of $12 is $6. $1.80 × 4 = $7.20. Local
stats --days 1is a calendar day; the bar is a 5-hour window, so a little of that $1.80 is already outside it.13.9M cache reads at $0.022/M = $0.31, which is already inside the $1.03 Pro line. At Pro input ($0.66/M) those same reads would be $9.20, and the rolling bar would already be past 75% from cache alone. It is at 50%. Cache is not being billed as input.
thdxr commentedon Oct 11, 2026
Thanks for the report! OpenCode 2.0 is now out and development is focused on V2, so we're closing issues filed against OpenCode 1. Please upgrade (
opencode upgrade --major, details: https://anoma.ly/notes/opencode-2-0), and if this is still relevant on 2.0, reopen this issue or open a new one with your 2.0 version.— from 𝕺𝖕𝖊𝖓𝕮𝖔𝖉𝖊