Model comparison
Claude Haiku 5.5 vs Ministral 8B
Claude Haiku 5.5 is the stronger model overall, scoring 49.5 to 28.2 on the Noometry Index.
Last verified . 1 shared benchmarks.
Mistral AISummary
- They share 1 benchmark with published results for both. Claude Haiku 5.5 scores higher in 4 categories and Ministral 8B in 0 categories; 4 gaps are clear of the uncertainty.
- The widest gap is in math, where Claude Haiku 5.5 leads 73.6 to 25.7.
- The biggest single-benchmark swing is GPQA Diamond: 89.6% for Claude Haiku 5.5 and 27.1% for Ministral 8B.
- Ministral 8B is cheaper at $0.15 / $0.15 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 262K.
- Ministral 8B has downloadable open weights; the other is API-only.
Side by side
| Claude Haiku 5.5 | Ministral 8B | |
|---|---|---|
| Provider | Anthropic | Mistral AI |
| Noometry Index | 49.5 | 28.2 |
| Released | 2026-10-07 | 2024-10-01 |
| Weights | Proprietary | Open |
| Context window | 1M | 262K |
| Max output | 128K | 262K |
| Input $ / M tokens | $0.10 | $0.15 |
| Output $ / M tokens | $0.50 | $0.15 |
| Results tracked | 9 | 17 |
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Category by category
Coding Claude Haiku 5.5 leads
Claude Haiku 5.5: 49.2 (#50), Ministral 8B: 35.0 (#230)
| Benchmark | Claude Haiku 5.5 | Ministral 8B |
|---|---|---|
| LMArena WebDev | 1587 | — |
| LMArena Coding | — | 1202 |
Agentic & Tool Use Not comparable
Claude Haiku 5.5: —, Ministral 8B: 16.4 (#148)
| Benchmark | Claude Haiku 5.5 | Ministral 8B |
|---|---|---|
| Berkeley Function Calling Leaderboard | — | 11.1% |
Reasoning Claude Haiku 5.5 leads
Claude Haiku 5.5: 35.2 (#69), Ministral 8B: 18.4 (#281)
| Benchmark | Claude Haiku 5.5 | Ministral 8B |
|---|---|---|
| NYT Connections (extended) | 65.7% | — |
| LMArena Hard Prompts | — | 1191 |
| Mystery Game Puzzles | 30% | — |
| DTBench | — | 45.7% |
Math Claude Haiku 5.5 leads
Claude Haiku 5.5: 73.6 (#18), Ministral 8B: 25.7 (#267)
| Benchmark | Claude Haiku 5.5 | Ministral 8B |
|---|---|---|
| FrontierMath (Tiers 1-3) | 75.1% | — |
| FrontierMath Tier 4 | 46.3% | — |
| OTIS Mock AIME 2024-2025 | 98.9% | — |
| LMArena Math | — | 1188 |
| MATH Level 5 | — | 14.9% |
Knowledge Claude Haiku 5.5 leads
Claude Haiku 5.5: 50.8 (#70), Ministral 8B: 12.6 (#297)
| Benchmark | Claude Haiku 5.5 | Ministral 8B |
|---|---|---|
| GPQA Diamond | 89.6% | 27.1% |
| SimpleQA Verified | 23.8% | — |
| Vectara Hallucination Rate | — | 7.4% |
| LMArena Expert | — | 1170 |
Multimodal Not comparable
Claude Haiku 5.5: 43.7 (#21), Ministral 8B: —
| Benchmark | Claude Haiku 5.5 | Ministral 8B |
|---|---|---|
| Furniture Assembly | 47.5% | — |
Multilingual Not comparable
Claude Haiku 5.5: —, Ministral 8B: 35.1 (#247)
| Benchmark | Claude Haiku 5.5 | Ministral 8B |
|---|---|---|
| LMArena Non-English | — | 1165 |
| LMArena Chinese | — | 1193 |
| LMArena Russian | — | 1195 |
Instruction Following Not comparable
Claude Haiku 5.5: —, Ministral 8B: 60.5 (#250)
| Benchmark | Claude Haiku 5.5 | Ministral 8B |
|---|---|---|
| LMArena Instruction Following | — | 1161 |
Long Context Not comparable
Claude Haiku 5.5: —, Ministral 8B: 36.7 (#227)
| Benchmark | Claude Haiku 5.5 | Ministral 8B |
|---|---|---|
| LMArena Longer Query | — | 1212 |
Writing & Preference Not comparable
Claude Haiku 5.5: —, Ministral 8B: 39.6 (#246)
| Benchmark | Claude Haiku 5.5 | Ministral 8B |
|---|---|---|
| LMArena Text | — | 1191 |
| LMArena Creative Writing | — | 1175 |
| LMArena Multi-Turn | — | 1166 |
Frequently asked questions
Is Claude Haiku 5.5 better than Ministral 8B?
Claude Haiku 5.5 is the stronger model overall, scoring 49.5 to 28.2 on the Noometry Index.
Which is cheaper, Claude Haiku 5.5 or Ministral 8B?
Ministral 8B is cheaper. It lists at $0.15 per million input tokens and $0.15 per million output tokens; Claude Haiku 5.5 lists at $0.10 and $0.50.
Is Claude Haiku 5.5 or Ministral 8B better for coding?
Claude Haiku 5.5 scores higher on coding benchmarks: 49.2 versus 35.0 in the Noometry coding category.
Which has the bigger context window?
Claude Haiku 5.5 does, with 1M tokens against 262K.
How many benchmarks do Claude Haiku 5.5 and Ministral 8B share?
1 benchmark has published results for both models. Claude Haiku 5.5 has 9 scored results on Noometry and Ministral 8B has 17.