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Claude Opus 5.5 vs LFM3: which delivered after 7 days?
Claude Opus 5.5 is stamped Partly; LFM3 is still Too early to call, so this comparison isn't settled yet.
| Claude Opus 5.5 | LFM3 | |
|---|---|---|
| Verdict | Partly | Too early |
| Claims held | 0 | 0 |
| Claims mixed | 3 | 0 |
| Claims failed | 0 | 0 |
| Claims unclear | 2 | 3 |
| User reports | 7 | 2 |
| Launched | 22 Sept 2026 | 27 Oct 2026 |
| Last stamped | 22 Oct 2026 | 29 Oct 2026 |
No. 002 · Anthropic
Claude Opus 5.5
The lower list price is real, but users report limits draining faster, more thinking tokens and safeguard false alarms, and nobody has independently confirmed the 40% saving.
- Launched
- 22 Sept 2026
- Stamped
- 22 Oct 2026
- Claims
- ✓0 held · ~3 mixed · ✗0 failed · ?2 unclear
- Reports
- 7 (1 praise · 6 problem · 0 mixed)
What they claimed
“It performs at the level of Claude Fable 5.1 on most work and costs 40% less to run than Opus 5.”~ Mixed
“Input and output tokens are $4 and $20 per million, 20% less than Opus 5.”? Unclear
“In addition to the price drop, we’re increasing five-hour usage limits on Pro, Max, Team, and seat-based Enterprise plans.”~ Mixed
“It is much less likely than recent models to take hard-to-reverse actions or act outside the boundaries it’s been given”~ Mixed
“Opus 5.5 also generates output more than 30% faster than Opus 5.”? Unclear
No. 013 · Liquid AI
LFM3
Day 3 of 7Two days in, only a few first-hand comments exist, and one reports a load failure and a wrong answer.
- Launched
- 27 Oct 2026
- Stamped
- 29 Oct 2026
- Claims
- ✓0 held · ~0 mixed · ✗0 failed · ?3 unclear
- Reports
- 2 (0 praise · 1 problem · 1 mixed)
What they claimed
“a new tri-hybrid architecture and training recipe allow LFM3-1.7B to outperform our previous LFM2.5-2.6B while using 35% fewer parameters.”? Unclear
“the text model fits in about 1 GB at 4-bit precision.”? Unclear
“256K context window for the text model.”? Unclear
Both stamps come from the public user reports linked on each receipt, under the same method. Verdicts are opinion and are never paid for.
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