Head to head
Optimizely vs PostHog
Not opinion — what AI engines actually said, across 5 answers where both were named.
In questions where both appear, AI named Optimizely earlier 4 times out of 5.
Where both were named
| Question | Optimizely | PostHog | Engine |
|---|---|---|---|
| Optimizely vs VWO | #1 | #9 | gemini |
| best A/B testing software | #5 | #3 | gemini |
| A/B testing software comparison | #1 | #6 | gemini |
| what is the best A/B testing tool in 2026 | #3 | #4 | gemini |
| top A/B testing platforms | #1 | #5 | gemini |
Lower number = named earlier in the answer.
Engine by engine
Optimizely
| Engine | Score | Rank |
|---|---|---|
| Gemini Flash Lite | 32.5 | #65 |
PostHog
| Engine | Score | Rank |
|---|---|---|
| Gemini Flash Lite | 21.4 | #105 |