Granite 4.2 3B vs Granite 4.2 8B
Why this pair: Compact and mid-size members of IBM's Granite 4.2 reasoning family
Benchmark Performance
Available Benchmarks
| Benchmark | Granite 4.2 3B | Granite 4.2 8B |
|---|---|---|
| LMArena Text Arenatext-2026-09-01-011508720696 · arena_rating · statistical tie | 1,298.8399% of row best · rating · granite-4.2-3b; 95% CI [1287.13258156, 1310.53627273]; votes 3097; rank 233 | 1,317.93100% of row best · rating · granite-4.2-8b; 95% CI [1306.62269586, 1329.24728966]; votes 3119; rank 219 |
| Overall ResultCounted from the protocol-matched rows above · 1 tie | 0 benchmark winsTied overall | 0 benchmark winsTied overall |
Third-party benchmark Only like-for-like primary-publisher results are shown; raw scores, relative scores, configuration, and token spend remain visible.
Technical Differences
Side-by-Side Facts
| Field | Granite 4.2 3B | Granite 4.2 8B |
|---|---|---|
| Developer | IBM | IBM |
| Family | Granite 4 2 | Granite 4 2 |
| Model | Granite 4.2 3B | Granite 4.2 8B |
| Version | Granite 4.2 3B | Granite 4.2 8B |
| Lifecycle | active | active |
| Released | 2026-08-25 | 2026-08-25 |
| Knowledge cutoff | Unknown | Unknown |
| Input modalities | Text | Text |
| Output modalities | Text | Text |
| Context window | 131K | 131K |
| Total parameters | 3.7B | 8.8B |
| Active parameters | Unknown | Unknown |
| License | apache-2.0 | apache-2.0 |
| Open weights | Yes | Yes |
| API available | Yes | Yes |
| Self-hostable | Yes | Yes |
| Provider access | Deepinfra (Standard) | Deepinfra (Standard), Openrouter (Standard) |
| Capabilities | chat, generation, reasoning, structured_outputs, tools | chat, generation, reasoning, structured_outputs, tools |
16 comparable fields · 4 material differences · Editorially curated pair passes the primary-source comparison gate
Granite 4.2 3B Capabilities
Granite 4.2 8B Capabilities
Internal Comparison Graph
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Primary Evidence
Sources and Freshness
Questions
Granite 4.2 3B vs Granite 4.2 8B FAQs
Is Granite 4.2 3B or Granite 4.2 8B better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both Granite 4.2 3B and Granite 4.2 8B, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, Granite 4.2 3B or Granite 4.2 8B?+
Granite 4.2 3B is $0.030 and Granite 4.2 8B is $0.060 per million tokens, so Granite 4.2 3B is cheaper on this metric. Granite 4.2 3B is $0.12 and Granite 4.2 8B is $0.15 per million tokens, so Granite 4.2 3B is cheaper on this metric.
Which has a larger context window, Granite 4.2 3B or Granite 4.2 8B?+
Neither model has a larger sourced context window in this comparison. Granite 4.2 3B is 131K and Granite 4.2 8B is 131K.
Which performs better in benchmarks, Granite 4.2 3B or Granite 4.2 8B?+
There is no overall benchmark winner: At least two independently verified, protocol-matched benchmarks are required for an overall winner.
Can Granite 4.2 3B or Granite 4.2 8B be self-hosted?+
Both models have the same recorded self-hosting status: supported. Granite 4.2 3B is open weight; Granite 4.2 8B is open weight.
Can Granite 4.2 3B and Granite 4.2 8B understand images?+
Granite 4.2 3B is not documented with image input; Granite 4.2 8B is not documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, Granite 4.2 3B or Granite 4.2 8B?+
Neither has a larger sourced maximum output. Granite 4.2 3B is — and Granite 4.2 8B is —.
Do Granite 4.2 3B and Granite 4.2 8B support reasoning and tool use?+
Granite 4.2 3B: reasoning and tool calling. Granite 4.2 8B: reasoning and tool calling. Feature support does not establish relative quality.
Which is available from more inference providers, Granite 4.2 3B or Granite 4.2 8B?+
Granite 4.2 3B has 1 sourced provider route; Granite 4.2 8B has 2, so Granite 4.2 8B has broader tracked availability.
Which offers better value, Granite 4.2 3B or Granite 4.2 8B?+
There is no universal value winner. Compare the input and output prices above with the matched benchmark result for your workload: cheaper tokens can be offset by different quality, token usage, latency, or provider availability.