Model comparison
Grok 4.1 vs LFM2.5-8B-A1B
Head-to-head evidence from 0 shared benchmark results across 0 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.
BenchAlign evidence: Grok 4.1 estimated; LFM2.5-8B-A1B estimated. Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.
Evidence parity. Grok 4.1 and LFM2.5-8B-A1B share 0 comparable benchmark results. 0 of 8 categories are comparable. 1 result is unique to Grok 4.1; 18 to LFM2.5-8B-A1B.
Updated July 16, 2026- Shared results
- 0
- Grok 4.1 only
- 1
- LFM2.5-8B-A1B only
- 18
- Comparable categories
- 0 / 8
Benchmark data for Grok 4.1 and LFM2.5-8B-A1B is coming soon on BenchLM.
Confidence note. This is a partial-evidence comparison with 0 shared benchmark results across 0 evidence categories; 0 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.
Why this result
BenchLM has partial data for these models, but not enough overlapping benchmark coverage to produce a fair score-level comparison yet.
Grok 4.1 has the larger context window at 1M, compared with 128K for LFM2.5-8B-A1B.
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | Grok 4.1 | LFM2.5-8B-A1B | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | Grok 4.1Not available | LFM2.5-8B-A1B$0 input / $0 output | A complete price comparison is not available. |
| Generation speedtokens per second | Grok 4.1Not available | LFM2.5-8B-A1BNot available | A complete speed comparison is not available. |
| First-answer latencyseconds to first token | Grok 4.1Not available | LFM2.5-8B-A1BNot available | A complete latency comparison is not available. |
| Context windowmaximum listed tokens | Grok 4.11M | LFM2.5-8B-A1B128K | Grok 4.1 lists the larger context window. |
Benchmark Deep Dive
Agentic3 benchmarks
Coding2 benchmarks
Reasoning2 benchmarks
Knowledge6 benchmarks
| Benchmark | Grok 4.1 | LFM2.5-8B-A1B | Result |
|---|---|---|---|
| AA-GPQA DiamondSource | — | 51.3% | Not comparable |
| AA-HLESource | — | 6.9% | Not comparable |
| AA-Omniscience IndexSource | — | -33.3% | Not comparable |
| AA-Omniscience AccuracySource | — | 9.4% | Not comparable |
| AA-Omniscience Hallucination RateSource | — | 47.0% | Not comparable |
| Artificial Analysis Intelligence IndexSource | — | 8.3% | Not comparable |
Math3 benchmarks
Frequently Asked Questions (3)
Can I compare Grok 4.1 and LFM2.5-8B-A1B on BenchLM yet?
Not fully yet. BenchLM is tracking both models, but the sourced benchmark breakdown for this comparison is still coming soon.
Why does this comparison show “coming soon”?
BenchLM only shows category winners and benchmark-level calls when we have sourced results that can be compared fairly. For these models, the public benchmark coverage is not complete enough yet.
What data is available for Grok 4.1 and LFM2.5-8B-A1B today?
Grok 4.1: Pricing unavailable LFM2.5-8B-A1B: $0.00 input / $0.00 output per 1M tokens Both model pages still include creator, context window, reasoning mode, and other metadata while benchmark coverage fills in.
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