Codex CLI
Observed throughTokscale Coding Client Report
Codex CLI is OpenAI's open-source coding agent for local terminal-based development.
Reality Snapshot
Observed tokens
4.6T+59.0%
over 30 days
Estimated tracked spend
$3.3M
Invoices may differ
Active developers
664-147
deduplicated over 30 days
Observed messages
35.2M
over 30 days
Most-used model
Gpt 5 6 Sol68.2%
of observed tokens
Observed Usage
Observed tokensDaily active developers
Models used
Observed 30-day client usage by model
| Model | Tokens | Share | Change |
|---|---|---|---|
| Gpt 5 6 SolOpenAI | 3.1T | 68% | 0% |
| Gpt 5 5OpenAI | 904.4B | 20% | 0% |
| Gpt 5 6 TerraOpenAI | 261.4B | 5.7% | 0% |
| UnknownObserved model | 121B | 2.6% | 0% |
| Gpt 5 6 LunaOpenAI | 62.5B | 1.4% | 0% |
| Opal AlphaObserved model | 42.2B | <1% | 0% |
| Codex Auto ReviewOpenAI | 32.1B | <1% | 0% |
| Gpt 5 4OpenAI | 15.5B | <1% | 0% |
Token composition
Share of observed client tokens
Cache read4.4T96%
Input167.5B3.6%
Output13.7B<1%
Reasoning4.9B<1%
Client Economics
Gpt 5 6 Sol$2.4M72%
Gpt 5 5$809K24%
Gpt 5 6 Terra$98.2K2.9%
Unknown$0.000%
Gpt 5 6 Luna$10.2K<1%
Opal Alpha$0.000%
Codex Auto Review$1.4K<1%
Gpt 5 4$7.5K<1%
Estimated spend per 1M tracked tokens$0.72
Cache-read share96.3%
Spend basisEstimated from tracked model usage
Estimated tracked spend uses Tokscale model and provider pricing data. Actual invoices may differ.
Client Momentum
+59.0%30-day growthObserved coding client
Compared with the prior non-overlapping 30-day window
Provider footprint
- OpenAI4.4T
- Observed model163.2B
Client details
Canonical clientcodex
TelemetryAggregated Tokscale submissions
Current window2026-06-30 to 2026-07-29
Comparison window2026-05-31 to 2026-06-29
SpendEstimated; invoices may differ
About this client
Codex CLI is OpenAI's open-source coding agent for local terminal-based development.
Links & sources
TOKSCALE INSIGHT
Codex CLI recorded 4.6T coding tokens across 664 developers during the latest 30-day Tokscale window.
Evidence confidenceStable observed sample