Model comparison
Grok Build 0.1 vs LFM2.5-8B-A1B
Head-to-head evidence from 9 shared benchmark results across 3 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.
BenchAlign evidence: Grok Build 0.1 not scored; LFM2.5-8B-A1B estimated. Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.
Evidence parity. Grok Build 0.1 and LFM2.5-8B-A1B share 9 comparable benchmark results. 0 of 8 categories are comparable. 6 results are unique to Grok Build 0.1; 9 to LFM2.5-8B-A1B.
Updated July 16, 2026- Shared results
- 9
- Grok Build 0.1 only
- 6
- LFM2.5-8B-A1B only
- 9
- Comparable categories
- 0 / 8
Benchmark data for Grok Build 0.1 and LFM2.5-8B-A1B is coming soon on BenchLM.
Confidence note. This is a partial-evidence comparison with 9 shared benchmark results across 3 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 Build 0.1 is priced at $1.00 input / $2.00 output per 1M tokens, versus $0.00 input / $0.00 output per 1M tokens for LFM2.5-8B-A1B. Grok Build 0.1 has the larger context window at 256K, compared with 128K for LFM2.5-8B-A1B.
Category breakdown
Exact category averages are shown below. Not measured means BenchLM does not have enough sourced public coverage for that model and category.
| Category | Grok Build 0.1 | Δ | LFM2.5-8B-A1B |
|---|---|---|---|
| Math | Grok Build 0.1Not measured | MarginNo overlap | LFM2.5-8B-A1B50.0 |
| Inst. Following | Grok Build 0.1Not measured | MarginNo overlap | LFM2.5-8B-A1B68.8 |
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | Grok Build 0.1 | LFM2.5-8B-A1B | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | Grok Build 0.1$1 input / $2 output | LFM2.5-8B-A1B$0 input / $0 output | LFM2.5-8B-A1B has the lower combined listed price. |
| Generation speedtokens per second | Grok Build 0.1Not available | LFM2.5-8B-A1BNot available | A complete speed comparison is not available. |
| First-answer latencyseconds to first token | Grok Build 0.1Not available | LFM2.5-8B-A1BNot available | A complete latency comparison is not available. |
| Context windowmaximum listed tokens | Grok Build 0.1256K | LFM2.5-8B-A1B128K | Grok Build 0.1 lists the larger context window. |
Benchmark Deep Dive
Agentic6 benchmarks
Coding3 benchmarks
Reasoning2 benchmarks
Knowledge6 benchmarks
| Benchmark | Grok Build 0.1 | LFM2.5-8B-A1B | Result |
|---|---|---|---|
| Artificial Analysis Intelligence IndexSource | 39.8% | 8.3% | Grok Build 0.1 leads |
| AA-GPQA DiamondSource | 89.5% | 51.3% | Grok Build 0.1 leads |
| AA-HLESource | 36.0% | 6.9% | Grok Build 0.1 leads |
| AA-Omniscience IndexSource | 7.4% | -33.3% | Grok Build 0.1 leads |
| AA-Omniscience AccuracySource | 51.4% | 9.4% | Grok Build 0.1 leads |
| AA-Omniscience Hallucination RateSource | 90.5% | 47.0% | LFM2.5-8B-A1B leads |
Math3 benchmarks
Multimodal1 benchmarks
| Benchmark | Grok Build 0.1 | LFM2.5-8B-A1B | Result |
|---|---|---|---|
| AA-MMMU-ProSource | 76.5% | — | Not comparable |
Frequently Asked Questions (3)
Can I compare Grok Build 0.1 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 Build 0.1 and LFM2.5-8B-A1B today?
Grok Build 0.1: $1.00 input / $2.00 output per 1M tokens 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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