# Granite 4.2 3B vs Voxtral 4B TTS 2603

> Side-by-side benchmark comparison for Granite 4.2 3B and Voxtral 4B TTS 2603 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/granite-4-2-3b-vs-voxtral-4b-tts-2603
- Last updated: September 10, 2026

- Shared sourced benchmarks: 0
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

No benchmark verdict yet: there is no shared sourced benchmark row for Granite 4.2 3B and Voxtral 4B TTS 2603.

## Summary

- Granite 4.2 3B and Voxtral 4B TTS 2603 do not currently share a sourced benchmark row. The mirror therefore compares metadata, pricing, context windows, and each model's separately reported coverage without naming a benchmark winner.

## Model Snapshot

| Property | Granite 4.2 3B | Voxtral 4B TTS 2603 |
|----------|----------|----------|
| Creator | IBM | Mistral AI |
| Type | Open Weight | Open Weight |
| Reasoning | Reasoning | Non-Reasoning |
| Context | 128K | N/A |
| Independent public score (not head-to-head) | null | null |
| Benchmarks Covered | 9 | 0 |
| Pricing (input/output) | $0.00 / $0.00 | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Granite 4.2 3B public-lane score: Coming soon
- Voxtral 4B TTS 2603 public-lane score: Coming soon

| Benchmark | Granite 4.2 3B | Voxtral 4B TTS 2603 | Winner |
|-----------|-----------|-----------|--------|
| τ³-bench results | 45.8% | Coming soon | Coming soon |
| BFCL v4 | 52.4% | Coming soon | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Granite 4.2 3B public-lane score: Coming soon
- Voxtral 4B TTS 2603 public-lane score: Coming soon

| Benchmark | Granite 4.2 3B | Voxtral 4B TTS 2603 | Winner |
|-----------|-----------|-----------|--------|
| LiveCodeBench v6 | 69.7% | Coming soon | Coming soon |
| SciCode | 24.1% | Coming soon | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Granite 4.2 3B public-lane score: 37.7 (Unranked · 2 rankable rows)
- Voxtral 4B TTS 2603 public-lane score: Coming soon

### Knowledge

- Winner: Insufficient shared evidence
- Granite 4.2 3B public-lane score: Coming soon
- Voxtral 4B TTS 2603 public-lane score: Coming soon

| Benchmark | Granite 4.2 3B | Voxtral 4B TTS 2603 | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 54.8% | Coming soon | Coming soon |
| MMLU-Pro | 67.8% | Coming soon | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Granite 4.2 3B public-lane score: Coming soon
- Voxtral 4B TTS 2603 public-lane score: Coming soon

| Benchmark | Granite 4.2 3B | Voxtral 4B TTS 2603 | Winner |
|-----------|-----------|-----------|--------|
| IFBench | 74.3% | Coming soon | Coming soon |

### Mathematics

- Winner: Insufficient shared evidence
- Granite 4.2 3B public-lane score: Coming soon
- Voxtral 4B TTS 2603 public-lane score: Coming soon

| Benchmark | Granite 4.2 3B | Voxtral 4B TTS 2603 | Winner |
|-----------|-----------|-----------|--------|
| AIME 2025 | 78.3% | Coming soon | Coming soon |
| HMMT Feb 2025 | 66.7% | Coming soon | Coming soon |

## FAQ

### Can I compare Granite 4.2 3B and Voxtral 4B TTS 2603 on BenchLM yet?

Not fully yet. BenchLM is tracking both models, but sourced benchmark coverage is still incomplete for a fair score-level comparison.

### Why does this page show "coming soon" values?

BenchLM only calls winners when public benchmark coverage is available on both sides of the comparison.

## Related Comparisons

- [Granite 4.2 3B vs Granite 4.2 8B](/compare/granite-4-2-3b-vs-granite-4-2-8b)
- [Voxtral 4B TTS 2603 vs Granite 4.2 8B](/compare/granite-4-2-8b-vs-voxtral-4b-tts-2603)
- [Granite 4.2 3B vs Granite 4.2 30B](/compare/granite-4-2-30b-vs-granite-4-2-3b)
- [Voxtral 4B TTS 2603 vs Granite 4.2 30B](/compare/granite-4-2-30b-vs-voxtral-4b-tts-2603)

## Explore More

- [Granite 4.2 3B profile](/models/granite-4-2-3b)
- [Voxtral 4B TTS 2603 profile](/models/voxtral-4b-tts-2603)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)