Gpt 5 4 Mini Fast
Observed throughTokscale Model Report
Gpt 5 4 Mini Fast model details and observed coding usage from Tokscale.
Reality Snapshot
Observed tokens
3.4B-40.3%
over 30 days
Estimated tracked spend
$837
Invoices may differ
Active developers
36-25
this month
30-day momentum
-40.3%
Compared with the prior 30-day window
Most-used client
OpenCode100%
of observed tokens
Observed Usage
Tokens observedDaily active developers
How developers use it
Usage by coding client
Sharevs 30 daysToken composition
Share of observed tokens
84%cache read
Cache read2.9B84%
Input526.8M15%
Reasoning24.5M<1%
Output15.4M<1%
Cache-heavy workloadMost observed tokens reuse cached context across requests.
Token Economics
Estimated spend profile
OpenCode$837100%
Observed cost signals
Estimated spend per 1M tracked tokens$0.24
Cache-read share83.5%
Estimated cache savingsNot available
Typical workloadcontext-heavy
Estimated tracked spend calculated from Tokscale model and provider pricing data. Actual invoices may differ.
Model Momentum
-40.3%30-day growthRank: Observed model
Compared with the prior non-overlapping window
Fastest-growing client: OpenCode
Official Model Details
ProviderOpenAI
Tokscale Insight
Gpt 5 4 Mini Fast recorded 3.4B coding tokens across 36 developers during the latest 30-day Tokscale window.
Observed confidenceHigh
