Model comparison
Claude Haiku 5.5 vs Granite 4.2 8B
Claude Haiku 5.5 is the stronger model overall, scoring 49.5 to 40.5 on the Noometry Index. Granite 4.2 8B costs 1.9× less per token, which makes it the better buy when Claude Haiku 5.5's lead doesn't matter for your workload.
Last verified . 0 shared benchmarks.
Summary
- The widest gap is in knowledge, where Claude Haiku 5.5 leads 50.8 to 38.4.
- Granite 4.2 8B is cheaper at $0.06 / $0.25 per million input/output tokens, against $0.10 / $0.50 for Claude Haiku 5.5.
- Claude Haiku 5.5 accepts more context: 1M tokens versus 131K.
- Granite 4.2 8B has downloadable open weights; the other is API-only.
Side by side
| Claude Haiku 5.5 | Granite 4.2 8B | |
|---|---|---|
| Provider | Anthropic | IBM |
| Noometry Index | 49.5 | 40.5 |
| Released | 2026-10-07 | — |
| Weights | Proprietary | Open |
| Context window | 1M | 131K |
| Max output | 128K | 118K |
| Input $ / M tokens | $0.10 | $0.06 |
| Output $ / M tokens | $0.50 | $0.25 |
| Results tracked | 9 | 11 |
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Category by category
Coding Claude Haiku 5.5 leads
Claude Haiku 5.5: 49.2 (#50), Granite 4.2 8B: 40.5 (#137)
| Benchmark | Claude Haiku 5.5 | Granite 4.2 8B |
|---|---|---|
| LMArena WebDev | 1587 | — |
| LMArena Coding | — | 1380 |
Reasoning Claude Haiku 5.5 leads
Claude Haiku 5.5: 35.2 (#69), Granite 4.2 8B: 26.6 (#131)
| Benchmark | Claude Haiku 5.5 | Granite 4.2 8B |
|---|---|---|
| NYT Connections (extended) | 65.7% | — |
| LMArena Hard Prompts | — | 1329 |
| Mystery Game Puzzles | 30% | — |
Math Not comparable
Claude Haiku 5.5: 73.6 (#18), Granite 4.2 8B: —
| Benchmark | Claude Haiku 5.5 | Granite 4.2 8B |
|---|---|---|
| FrontierMath (Tiers 1-3) | 75.1% | — |
| FrontierMath Tier 4 | 46.3% | — |
| OTIS Mock AIME 2024-2025 | 98.9% | — |
Knowledge Claude Haiku 5.5 leads
Claude Haiku 5.5: 50.8 (#70), Granite 4.2 8B: 38.4 (#145)
| Benchmark | Claude Haiku 5.5 | Granite 4.2 8B |
|---|---|---|
| GPQA Diamond | 89.6% | — |
| SimpleQA Verified | 23.8% | — |
| LMArena Expert | — | 1384 |
Multimodal Not comparable
Claude Haiku 5.5: 43.7 (#21), Granite 4.2 8B: —
| Benchmark | Claude Haiku 5.5 | Granite 4.2 8B |
|---|---|---|
| Furniture Assembly | 47.5% | — |
Multilingual Not comparable
Claude Haiku 5.5: —, Granite 4.2 8B: 44.5 (#178)
| Benchmark | Claude Haiku 5.5 | Granite 4.2 8B |
|---|---|---|
| LMArena Non-English | — | 1302 |
| LMArena Chinese | — | 1366 |
| LMArena Russian | — | 1285 |
Instruction Following Not comparable
Claude Haiku 5.5: —, Granite 4.2 8B: 68.7 (#184)
| Benchmark | Claude Haiku 5.5 | Granite 4.2 8B |
|---|---|---|
| LMArena Instruction Following | — | 1301 |
Long Context Not comparable
Claude Haiku 5.5: —, Granite 4.2 8B: 40.3 (#159)
| Benchmark | Claude Haiku 5.5 | Granite 4.2 8B |
|---|---|---|
| LMArena Longer Query | — | 1324 |
Writing & Preference Not comparable
Claude Haiku 5.5: —, Granite 4.2 8B: 49.6 (#189)
| Benchmark | Claude Haiku 5.5 | Granite 4.2 8B |
|---|---|---|
| LMArena Text | — | 1320 |
| LMArena Creative Writing | — | 1236 |
| LMArena Multi-Turn | — | 1301 |
Frequently asked questions
Is Claude Haiku 5.5 better than Granite 4.2 8B?
Claude Haiku 5.5 is the stronger model overall, scoring 49.5 to 40.5 on the Noometry Index. Granite 4.2 8B costs 1.9× less per token, which makes it the better buy when Claude Haiku 5.5's lead doesn't matter for your workload.
Which is cheaper, Claude Haiku 5.5 or Granite 4.2 8B?
Granite 4.2 8B is cheaper. It lists at $0.06 per million input tokens and $0.25 per million output tokens; Claude Haiku 5.5 lists at $0.10 and $0.50.
Is Claude Haiku 5.5 or Granite 4.2 8B better for coding?
Claude Haiku 5.5 scores higher on coding benchmarks: 49.2 versus 40.5 in the Noometry coding category.
Which has the bigger context window?
Claude Haiku 5.5 does, with 1M tokens against 131K.
How many benchmarks do Claude Haiku 5.5 and Granite 4.2 8B share?
0 benchmarks have published results for both models. Claude Haiku 5.5 has 9 scored results on Noometry and Granite 4.2 8B has 11.