41%
4% YoY
#2
Summary
- Codex ranks #2 within the Coding Agents category, maintaining its position month-over-month.
- As of October 2026, 41% of organizations who have a vendor in the Coding Agents category use Codex: down 4 percentage points from last year.
- Codex has the highest adoption among enterprise companies (49%), compared to mid-market (46%), small-to-medium businesses (39%), and micro-SMB (39%).
- Codex supports agentic coding tasks, code review, and software development workflows.
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Key stats
41%
4% YoY
Mid-Market, 45%
34%
31%
#2
#2
Adoption Rates by company size
| Company size | Adoption rate |
|---|---|
| SMB | 39% |
| Mid-market | 46% |
| Enterprise | 49% |
About Codex
Codex is an AI coding agent that helps developers build, review, and ship software.
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About this data
These insights come from Ramp’s procurement and renewal data, built on real-world transactions observed across our platform. Figures represent aggregated observations from Ramp Procurement and Renewals activity.
| Date | New adopter share | Competitor switch rate | Dominant FTE segment | Adoption rate (Enterprise) | Adoption rate (Mid-Market) | Adoption rate (SMB) |
|---|---|---|---|---|---|---|
| Sep 2026 | 34% | 31% | Mid-Market, 45% | 49% | 46% | 39% |
| Aug 2026 | 20% | 28% | Mid-Market, 46% | 47% | 43% | 35% |
| Jul 2026 | 16% | 28% | Mid-Market, 46% | 45% | 43% | 34% |
| Jun 2026 | 12% | 27% | Mid-Market, 45% | 46% | 43% | 34% |
| May 2026 | 11% | 26% | Mid-Market, 46% | 50% | 44% | 34% |
| Apr 2026 | 10% | 26% | Mid-Market, 46% | 53% | 46% | 35% |
| Mar 2026 | 9% | 25% | Mid-Market, 47% | 58% | 48% | 36% |
| Feb 2026 | 10% | 26% | Mid-Market, 47% | 58% | 51% | 37% |
| Jan 2026 | 16% | 29% | Mid-Market, 48% | 62% | 54% | 40% |
| Dec 2025 | 20% | 32% | Mid-Market, 48% | 66% | 56% | 41% |
| Nov 2025 | 20% | 34% | Mid-Market, 48% | 65% | 56% | 42% |
| Oct 2025 | 29% | 37% | Mid-Market, 49% | 63% | 56% | 42% |
| Sep 2025 | 38% | 40% | Mid-Market, 48% | 59% | 55% | 42% |
| Aug 2025 | 49% | 40% | Mid-Market, 48% | 59% | 53% | 39% |
| Jul 2025 | 32% | 36% | Mid-Market, 47% | 58% | 46% | 29% |
| Jun 2025 | 43% | 39% | Mid-Market, 49% | 57% | 42% | 25% |
| May 2025 | 44% | 40% | Mid-Market, 53% | 44% | 36% | 18% |
| Apr 2025 | 12% | 13% | — | 12% | 11% | 4% |
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