# Granite 4.2 30B vs Beam 1.0 501B-A23B FP8

> Side-by-side benchmark comparison for Granite 4.2 30B and Beam 1.0 501B-A23B FP8 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/granite-4-2-30b-vs-reflection-beam-fp8
- Last updated: October 16, 2026

- Shared sourced benchmarks: 8
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Pick Beam 1.0 501B-A23B FP8 if you want the stronger benchmark profile. Granite 4.2 30B only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- Beam 1.0 501B-A23B FP8 leads overall 71 to 54.
- The clearest category separation is in reasoning, where the averages are 59.5 for Granite 4.2 30B and 85.8 for Beam 1.0 501B-A23B FP8.
- The biggest single benchmark swing is Terminal-Bench 2.1 in Agentic, with scores of 29.2% and 78.9%.
- Beam 1.0 501B-A23B FP8 is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- Beam 1.0 501B-A23B FP8 also has the larger context window at 1M.

## Model Snapshot

| Property | Granite 4.2 30B | Beam 1.0 501B-A23B FP8 |
|----------|----------|----------|
| Creator | IBM | Reflection AI |
| Type | Open Weight | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 128K | 1M |
| Overall Score | null | null |
| Benchmarks Covered | 14 | 19 |
| Pricing (input/output) | $0.00 / $0.00 | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: Not comparable
- Granite 4.2 30B public-lane score: Coming soon
- Beam 1.0 501B-A23B FP8 public-lane score: Coming soon

| Benchmark | Granite 4.2 30B | Beam 1.0 501B-A23B FP8 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 29.2% | 78.9% | Beam 1.0 501B-A23B FP8 |
| τ³-bench results | 62.0% | 36.8% | Granite 4.2 30B |
| BFCL v4 | 61.4% | Coming soon | Coming soon |
| HLE w/ tools | Coming soon | 51.1% | Coming soon |
| MCP Atlas | Coming soon | 81.5% | Coming soon |
| BrowseComp | Coming soon | 76.7% | Coming soon |
| DeepSearchQA | Coming soon | 79.6% | Coming soon |

### Coding

- Winner: Not comparable
- Granite 4.2 30B public-lane score: Coming soon
- Beam 1.0 501B-A23B FP8 public-lane score: Coming soon

| Benchmark | Granite 4.2 30B | Beam 1.0 501B-A23B FP8 | Winner |
|-----------|-----------|-----------|--------|
| SWE Multilingual | 41.9% | 78.1% | Beam 1.0 501B-A23B FP8 |
| SWE-bench Pro | 33.3% | 65.9% | Beam 1.0 501B-A23B FP8 |
| SWE-bench Verified | 57% | 80.2% | Beam 1.0 501B-A23B FP8 |
| Terminal-Bench 2.1 | 29.2% | 78.9% | Beam 1.0 501B-A23B FP8 |
| LiveCodeBench v6 | 75.8% | Coming soon | Coming soon |
| SciCode | 38.8% | 48.3% | Beam 1.0 501B-A23B FP8 |
| DeepSWE | Coming soon | 43.0% | Coming soon |
| SWE-Atlas Codebase QnA | Coming soon | 32.2% | Coming soon |

### Reasoning

- Winner: Not comparable
- Granite 4.2 30B public-lane score: 59.5 (Unranked · 2 rankable rows)
- Beam 1.0 501B-A23B FP8 public-lane score: 85.8 (Unranked · 3 rankable rows)

| Benchmark | Granite 4.2 30B | Beam 1.0 501B-A23B FP8 | Winner |
|-----------|-----------|-----------|--------|
| CritPt | Coming soon | 17.4% | Coming soon |
| LongBench v2 | Coming soon | 67.6% | Coming soon |

### Knowledge

- Winner: Not comparable
- Granite 4.2 30B public-lane score: Coming soon
- Beam 1.0 501B-A23B FP8 public-lane score: Coming soon

| Benchmark | Granite 4.2 30B | Beam 1.0 501B-A23B FP8 | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 66.4% | Coming soon | Coming soon |
| MMLU-Pro | 77.6% | Coming soon | Coming soon |
| GPQA-D | Coming soon | 90.3% | Coming soon |
| HLE w/o tools | Coming soon | 36% | Coming soon |

### Instruction Following

- Winner: Not comparable
- Granite 4.2 30B public-lane score: Coming soon
- Beam 1.0 501B-A23B FP8 public-lane score: 89.8 (#28/148)

| Benchmark | Granite 4.2 30B | Beam 1.0 501B-A23B FP8 | Winner |
|-----------|-----------|-----------|--------|
| IFBench | 77.2% | 80.7% | Beam 1.0 501B-A23B FP8 |

### Mathematics

- Winner: Not comparable
- Granite 4.2 30B public-lane score: Coming soon
- Beam 1.0 501B-A23B FP8 public-lane score: 87.9 (Unranked · 1 rankable row)

| Benchmark | Granite 4.2 30B | Beam 1.0 501B-A23B FP8 | Winner |
|-----------|-----------|-----------|--------|
| AIME 2025 | 89.2% | Coming soon | Coming soon |
| HMMT Feb 2025 | 89.2% | Coming soon | Coming soon |
| AIME26 | Coming soon | 98.0% | Coming soon |

## FAQ

### Which is better overall, Granite 4.2 30B or Beam 1.0 501B-A23B FP8?

Beam 1.0 501B-A23B FP8 is ahead overall on BenchLM right now.

### Where is the biggest gap between Granite 4.2 30B and Beam 1.0 501B-A23B FP8?

The widest category gap is in reasoning, where the averages are 59.5 for Granite 4.2 30B and 85.8 for Beam 1.0 501B-A23B FP8.

### How many benchmarks does Granite 4.2 30B cover on BenchLM?

Granite 4.2 30B currently has 14 sourced benchmark scores on BenchLM.

### How many benchmarks does Beam 1.0 501B-A23B FP8 cover on BenchLM?

Beam 1.0 501B-A23B FP8 currently has 19 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Granite 4.2 30B vs Granite 4.2 8B](/compare/granite-4-2-30b-vs-granite-4-2-8b)
- [Beam 1.0 501B-A23B FP8 vs Granite 4.2 8B](/compare/granite-4-2-8b-vs-reflection-beam-fp8)
- [Granite 4.2 30B vs Granite 4.2 3B](/compare/granite-4-2-30b-vs-granite-4-2-3b)
- [Beam 1.0 501B-A23B FP8 vs Granite 4.2 3B](/compare/granite-4-2-3b-vs-reflection-beam-fp8)

## Explore More

- [Granite 4.2 30B profile](/models/granite-4-2-30b)
- [Beam 1.0 501B-A23B FP8 profile](/models/reflection-beam-fp8)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)