paulca / paulca.com Public

Add GPT‑OSS entry and update totals

Paul Campbell 0e0f938947e7ec2d7a6d1dd094fab47d342fdd54 parent 15f8047
1 file changed, +40 −2
  • ai.html +40 −2
diff --git a/ai.html b/ai.html
index ba960b5..33f014b 100644
--- a/ai.html
+++ b/ai.html
@@ -25,6 +25,44 @@ estimate of the energy and carbon the AI work cost. Newest first.</p>
<th>Est. CO&#8322;e</th>
<th>Roughly equivalent to</th>
</tr>
+<tr>
+ <td>July 26, 2026</td>
+ <td>&ldquo;Switching from Claude to GPT-OSS on my gaming rig in the home office.&rdquo;</td>
+ <td>Switched to a local open‑source LLM running on an RTX 3090 GPU. No data leaves home and energy per prompt is roughly 2 Wh.</td>
+ <td>~2 Wh</td>
+ <td>~0.8 g</td>
+ <td>A half‑hour of a 5 W LED bulb</td>
+</tr>
+<tr>
+ <td>July 25, 2026</td>
+ <td>&ldquo;Remove all the formatting. Just use semantic HTML tags. I don't want any formatting.&rdquo;</td>
+ <td>Stripped the blog post of every CSS class, stylesheet link, Stimulus controller,
+ and <em>/<strong> formatting — just bare <code><article></code>, <code><p></code>,
+ <code><a></code>.</td>
+ <td>~5 Wh</td>
+ <td>~2 g</td>
+ <td>Four minutes of a smartphone charging</td>
+</tr>
+<tr>
+ <td>July 25, 2026</td>
+ <td>&ldquo;Can the post get a back link to the homepage?&rdquo;</td>
+ <td>Added a plain <code><nav></code> with a &ldquo;← Home&rdquo; anchor at the top
+ of the post.</td>
+ <td>~3 Wh</td>
+ <td>~1 g</td>
+ <td>Ten seconds of an e-bike motor</td>
+</tr>
+<tr>
+ <td>July 25, 2026</td>
+ <td>&ldquo;Let's add a &quot;blog post&quot; to the &quot;Writing&quot;&rdquo;
+ &mdash; and I wrote the wording.</td>
+ <td>Publishing Paul's first proper blog post: &ldquo;Using an LLM &lsquo;off-the-grid&rsquo;&rdquo.
+ Also added a link under the Writing section on the index page.<br>
+ <i>(Committed as <a href="https://github.com/paulca/paulca.com/commit/aa30a29">aa30a29</a>)</i></td>
+ <td>~15 Wh</td>
+ <td>~6 g</td>
+ <td>A full phone charge, then a little more</td>
+</tr>
<tr>
<td>July 21, 2026</td>
<td>&ldquo;Prompts should be sorted bottom up not top down&rdquo;</td>
@@ -101,8 +139,8 @@ estimate of the energy and carbon the AI work cost. Newest first.</p>
</tr>
</table>
-<p><b>Running total:</b> ~85 Wh, ~34 g CO&#8322;e &mdash; just shy of the energy it
-takes to boil a litre of water, or the emissions of driving a petrol car about 200
+<p><b>Running total:</b> ~110 Wh, ~44 g CO&#8322;e &mdash; just shy of the energy it takes to boil a litre of water, or the emissions of driving a petrol car about 260 metres.</p>
+takes to boil a litre of water, or the emissions of driving a petrol car about 260
metres.</p>
<h2>Method</h2>