--- title: "OpenAI Codex vs DeepSeek Harness — AI hype compared · Above the Fog" canonical_url: https://abovethefog.app/compare/codex-vs-deepseek_harness as_of: 2026-10-29 updated: 2026-10-30T16:24:07Z --- # OpenAI Codex vs DeepSeek Harness [Home](https://abovethefog.app/index.md) › [Compare](https://abovethefog.app/compare.md) › OpenAI Codex vs DeepSeek Harness [OpenAI Codex](https://abovethefog.app/topics/codex.md) and [DeepSeek Harness](https://abovethefog.app/topics/deepseek_harness.md) side by side on Above the Fog’s AI hype radar, on Oct 29, 2026: OpenAI Codex is 💤 Quiet with a hype score of 8 and DeepSeek Harness is 💤 Quiet with 23. The radar’s curated relations list them as competitors. **Data note:** 7 of the last 14 days were not collected live. No collection ran on Oct 22–Oct 28, or a later run refilled those days at once. Every hype score is measured against the 14 days before it and those days are thin, so the scores, the stages and the week-over-week theme trends may read higher than they are until they leave that window on Nov 12. ## At a glance | Measure | OpenAI Codex | DeepSeek Harness | |---|---|---| | Stage | 💤 Quiet | 💤 Quiet | | Hype score | 7.7 | 23.1 | | 7-day change | +3.6 | +2.6 | | In hype since | not in hype now | not in hype now | | Peak, 30 days | 27.7 on Sep 30, 2026 | 31.7 on Oct 20, 2026 | | Stories in 7 days | 416 | 25 | | Share of voice, 7 days | 3.1% | 0.2% | | Sources above normal | 0 of 20 | 2 of 18 | | Category | 🤖 Agents | 🤖 Agents | ## Hype score, last 30 days Both hype scores by day, newest first; on the page’s chart, OpenAI Codex is the solid line and DeepSeek Harness the dashed one. | Day | OpenAI Codex | DeepSeek Harness | |---|---:|---:| | Oct 29, 2026 | 7.7 | 23.1 | | Oct 28, 2026 | 2 | 11.6 | | Oct 27, 2026 | 2.2 | 9.9 | | Oct 26, 2026 | 1.6 | 9.5 | | Oct 25, 2026 | 0 | 2 | | Oct 24, 2026 | 0 | 9.8 | | Oct 23, 2026 | 4.3 | 9.8 | | Oct 22, 2026 | 4.1 | 20.5 | | Oct 21, 2026 | 6.4 | 10 | | Oct 20, 2026 | 4.1 | 31.7 | | Oct 19, 2026 | 2.6 | 19 | | Oct 18, 2026 | 12.6 | 17.2 | | Oct 17, 2026 | 1.5 | 24.8 | | Oct 16, 2026 | 4.5 | 12.1 | | Oct 15, 2026 | 20.5 | 3.9 | | Oct 14, 2026 | 19.6 | 6.1 | | Oct 13, 2026 | 15.8 | 12.7 | | Oct 12, 2026 | 15.3 | 3 | | Oct 11, 2026 | 0 | 1.1 | | Oct 10, 2026 | 4.4 | 4.1 | | Oct 9, 2026 | 14.9 | 11.2 | | Oct 8, 2026 | 21.7 | 3.7 | | Oct 7, 2026 | 15.5 | 0 | | Oct 6, 2026 | 17 | 0 | | Oct 5, 2026 | 3.4 | 0.5 | | Oct 4, 2026 | 0 | 1.1 | | Oct 3, 2026 | 1.9 | 1.4 | | Oct 2, 2026 | 12.2 | 22.4 | | Oct 1, 2026 | 6 | 0 | | Sep 30, 2026 | 27.7 | 3.5 | ## Shared themes What the stories of both topics in the last 7 days are about, as classified by the Jev model (a story can carry several themes): - [Agents](https://abovethefog.app/themes/agents.md) — 65% of OpenAI Codex’s stories, 75% of DeepSeek Harness’s - [Protocols & infra](https://abovethefog.app/themes/protocols_infra.md) — 26% of OpenAI Codex’s stories, 25% of DeepSeek Harness’s - [Models](https://abovethefog.app/themes/models.md) — 24% of OpenAI Codex’s stories, 88% of DeepSeek Harness’s - [Usage & adoption](https://abovethefog.app/themes/usage_adoption.md) — 30% of OpenAI Codex’s stories, 12% of DeepSeek Harness’s ## OpenAI Codex: stories behind it 1. [I built a fairly complex PCB using GPT/Codex, got it manufactured, and it actually works.](https://www.reddit.com/r/codex/comments/1xhq8m6/) — Reddit (r/codex) · Oct 28 · score 192 · 38 comments 2. [What’s the point of Codex doing usage resets every two days? Is it prep for them cutting usage by 50% at the end of this week?](https://www.reddit.com/r/vibecoding/comments/1xhvxoj/) — Reddit (r/vibecoding) · Oct 28 · score 26 · 18 comments 3. [I Built an App with Codex That Runs MiniMax-H3 Entirely on a Smartphone — Generating 5-Second Videos Locally in Just 7 Minutes](https://www.reddit.com/r/codex/comments/1xhk1mg/) — Reddit (r/codex) · Oct 28 · score 16 · 14 comments 4. [Show HN: CleanCode – Claude Code and Codex collaborating on one canvas](https://news.ycombinator.com/item?id=50265699) — Hacker News (github.com) · Oct 27 · score 4 · 6 comments 5. [AI review optimized for recall \(catches more defects than Codex or Claude\)](https://news.ycombinator.com/item?id=50260626) — Hacker News (github.com) · Oct 27 · score 5 · 5 comments ## DeepSeek Harness: stories behind it 1. [DeepSeek V5 spotted in DeepSeek Harness tests — are we getting closer to a release?](https://www.reddit.com/r/DeepSeek/comments/1xhokec/) — Reddit (r/DeepSeek) · Oct 28 · score 436 · 26 comments 2. [deepseek-harness: Opensource AI Agent Harness \[264k Stars\]](https://www.reddit.com/r/DeepSeek/comments/1xhdvex/) — Reddit (r/DeepSeek) · Oct 28 · score 1 · 0 comments 3. [DeepSeek Harness is breaking Unity Projects](https://www.reddit.com/r/DeepSeek/comments/1xjds65/) — Reddit (r/DeepSeek) · Oct 30 4. [I Tested deepseek-harness — Here's What You Need to Know](https://dev.to/jarynagent/i-tested-deepseek-harness-heres-what-you-need-to-know-c7e) — DEV Community (dev.to) (#ai) · Oct 29 · score 0 · 0 comments 5. [I Tried deepseek-harness — Here's What You Need to Know](https://dev.to/jarynagent/i-tried-deepseek-harness-heres-what-you-need-to-know-4m1b) — DEV Community (dev.to) (#ai) · Oct 29 · score 0 · 0 comments ## More comparisons - [Antigravity vs OpenAI Codex](https://abovethefog.app/compare/antigravity-vs-codex.md) - [Claude Code vs OpenAI Codex](https://abovethefog.app/compare/claude_code-vs-codex.md) - [OpenAI Codex vs Cursor](https://abovethefog.app/compare/codex-vs-cursor.md) - [OpenAI Codex vs OpenCode](https://abovethefog.app/compare/codex-vs-opencode.md) - [Claude Code vs DeepSeek Harness](https://abovethefog.app/compare/claude_code-vs-deepseek_harness.md) - [DeepSeek Harness vs Hermes Agent](https://abovethefog.app/compare/deepseek_harness-vs-hermes_agent.md) - [DeepSeek Harness vs OpenClaw](https://abovethefog.app/compare/deepseek_harness-vs-openclaw.md) - [DeepSeek Harness vs OpenCode](https://abovethefog.app/compare/deepseek_harness-vs-opencode.md) --- Updated Oct 30, 2026, 16:24 UTC · Data: Above the Fog hype radar [HTML page](https://abovethefog.app/compare/codex-vs-deepseek_harness) · [llms.txt](https://abovethefog.app/llms.txt) · [About & methodology](https://abovethefog.app/about.md) · [Privacy](https://abovethefog.app/about.md#privacy)