Gemini 3 Pro: what 42 developers actually say.
42 Hacker News opinions from 40 developers, Nov 2025 – Nov 2026. 34 come from people who say they use it. Here is what they praise, what they complain about, and who switched.
The case for Gemini 3 Pro, in one paragraph.
Gemini 3 Pro earns 52% approval across 42 opinions. Developers praise its code quality.
Pick it if you
- Want a second opinion on a large codebase
- Need a fallback when Codex limits are hit
- Will make it write tests to check its output
Look elsewhere if you
- Need dependable capacity for long sessions
- Need strong tool calling or agentic work
- Need a model that is easy to steer
Where it wins and loses.
Mentions across 42 opinions. Bars are counts, not votes; a tool can be both praised and criticized on the same topic.
View data table
| Topic | Praise | Complaints | Mentions |
|---|---|---|---|
| Code quality | 14 | 6 | 20 |
How opinion has moved.
Monthly approval, Nov 2025 – Feb 2026. Bars show opinion volume; low-volume months are still included but faded.
View data table
| Month | Approval | Opinions |
|---|---|---|
| Nov 2025 | 36% | 7 |
| Dec 2025 | 55% | 10 |
| Jan 2026 | 67% | 15 |
| Feb 2026 | 43% | 7 |
What developers say.
Summaries are paraphrased. Each links to the original Hacker News comment.
Praise
4 selectedGemini 3 Pro helped narrow down a hard bug when given the full large codebase context.
Uses Gemini 3 Pro conversationally for coding help; calls it adequate and a speed boost for rubber-ducking.
Used Gemini 3 Pro for codebase reviews, and its hint eventually helped find a hard-to-spot resource leak.
Has mostly settled on Gemini 3 Pro and cross-checks code reviews across models to catch blind spots.
Complaints
4 selectedGemini 3 Pro failed to complete a planned OpenCode refactor over eight days, so they cancelled.
Gemini 3 Pro was great at first but has since gotten worse than smaller models.
Finds Gemini 3 Pro not great, often random and prone to going off the rails.
Found Gemini 3 Pro less usable and reliable than Kimi K2 Thinking for their specific work.
Questions developers ask.
Is Gemini 3 Pro worth it for coding?
Is Gemini 3 Pro better than Claude Opus 4.5?
Is Gemini 3 Pro reliable?
The data behind this page.
Developers give Gemini 3 Pro a 52% approval score across 42 opinions, with 34 from firsthand use. Code quality draws the most positive feedback: 14 positive and 6 negative mentions. Reliability is the clearest weakness: 0 positive and 9 negative mentions, with reports of overload errors, rate limits, and hangs. Approval peaked at 67% in January 2026, fell to 43% in February, and recent samples are thin: 2 opinions in April at 50% and 1 in May at 0%.
Every number comes from public Hacker News comments collected through the HN Search API. A language model tagged each comment for sentiment, first-hand use, topic and switches; a human spot-checks samples. No vendor can pay for placement.
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