Model comparison
Claude Sonnet 5.5 vs WizardLM-2 8x22B
Claude Sonnet 5.5 has enough public results to be ranked (#10); WizardLM-2 8x22B does not yet, so treat this comparison as directional.
Last verified . 1 shared benchmarks.
MicrosoftSummary
- They share 1 benchmark with published results for both. Claude Sonnet 5.5 scores higher in 2 categories and WizardLM-2 8x22B in 0 categories; 2 gaps are clear of the uncertainty.
- The widest gap is in math, where Claude Sonnet 5.5 leads 88.7 to 26.8.
- The biggest single-benchmark swing is GPQA Diamond: 95.6% for Claude Sonnet 5.5 and 43.4% for WizardLM-2 8x22B.
- WizardLM-2 8x22B is cheaper at $0.62 / $0.62 per million input/output tokens, against $2 / $10 for Claude Sonnet 5.5.
- Claude Sonnet 5.5 accepts more context: 1M tokens versus 66K.
- WizardLM-2 8x22B has downloadable open weights; the other is API-only.
Side by side
| Claude Sonnet 5.5 | WizardLM-2 8x22B | |
|---|---|---|
| Provider | Anthropic | Microsoft |
| Noometry Index | 60.5 | 30.7 |
| Released | 2026-09-28 | 2024-04-15 |
| Weights | Proprietary | Open |
| Context window | 1M | 66K |
| Max output | 128K | 8K |
| Input $ / M tokens | $2 | $0.62 |
| Output $ / M tokens | $10 | $0.62 |
| Results tracked | 16 | 2 |
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Category by category
Coding Not comparable
Claude Sonnet 5.5: 65.5 (#6), WizardLM-2 8x22B: —
| Benchmark | Claude Sonnet 5.5 | WizardLM-2 8x22B |
|---|---|---|
| FrontierCode | 52.1% | — |
| CursorBench | 55.5% | — |
| LMArena WebDev | 1699 | — |
| FrontierSWE | 61.9% | — |
| SciCode | 61% | — |
| ALE-Bench | 1,819 | — |
Agentic & Tool Use Not comparable
Claude Sonnet 5.5: 44.9 (#14), WizardLM-2 8x22B: —
| Benchmark | Claude Sonnet 5.5 | WizardLM-2 8x22B |
|---|---|---|
| APEX-Agents | 75.5% | — |
Reasoning Not comparable
Claude Sonnet 5.5: 52.4 (#29), WizardLM-2 8x22B: —
| Benchmark | Claude Sonnet 5.5 | WizardLM-2 8x22B |
|---|---|---|
| CritPt | 31.4% | — |
| Mystery Game Puzzles | 65% | — |
Math Claude Sonnet 5.5 leads
Claude Sonnet 5.5: 88.7 (#4), WizardLM-2 8x22B: 26.8
| Benchmark | Claude Sonnet 5.5 | WizardLM-2 8x22B |
|---|---|---|
| FrontierMath (Tiers 1-3) | 88.8% | — |
| FrontierMath Tier 4 | 80.5% | — |
| OTIS Mock AIME 2024-2025 | 100% | — |
| ProofBench | 100% | — |
| MATH Level 5 | — | 25.7% |
Knowledge Claude Sonnet 5.5 leads
Claude Sonnet 5.5: 66.0 (#11), WizardLM-2 8x22B: 23.3
| Benchmark | Claude Sonnet 5.5 | WizardLM-2 8x22B |
|---|---|---|
| GPQA Diamond | 95.6% | 43.4% |
| SimpleQA Verified | 46.5% | — |
Multimodal Not comparable
Claude Sonnet 5.5: 53.2 (#5), WizardLM-2 8x22B: —
| Benchmark | Claude Sonnet 5.5 | WizardLM-2 8x22B |
|---|---|---|
| Furniture Assembly | 75% | — |
Frequently asked questions
Is Claude Sonnet 5.5 better than WizardLM-2 8x22B?
Claude Sonnet 5.5 has enough public results to be ranked (#10); WizardLM-2 8x22B does not yet, so treat this comparison as directional.
Which is cheaper, Claude Sonnet 5.5 or WizardLM-2 8x22B?
WizardLM-2 8x22B is cheaper. It lists at $0.62 per million input tokens and $0.62 per million output tokens; Claude Sonnet 5.5 lists at $2 and $10.
Which has the bigger context window?
Claude Sonnet 5.5 does, with 1M tokens against 66K.
How many benchmarks do Claude Sonnet 5.5 and WizardLM-2 8x22B share?
1 benchmark has published results for both models. Claude Sonnet 5.5 has 16 scored results on Noometry and WizardLM-2 8x22B has 2.