Model decision surface
Compare AI models
Start with Claude Sonnet 5.5 and Ling 3.1 Flash, or choose any two current ranked language models. Compare capability evidence, price, context, provider availability, and weight access without pretending one field decides every use case.
Current public data
Claude Sonnet 5.5 vs Ling 3.1 Flash
Live dataset updated 10/4/2026, 9:54:47 AM UTC
Open 1200×630 evidence receipt| Field | Claude Sonnet 5.5 Anthropic | Ling 3.1 Flash InclusionAI |
|---|---|---|
| ModelCap position | #6 | #16 |
| Index score | 82.3 | 78.1 |
| Evidence | Measured4 public benchmark observations across 4 boards | Measured1 public benchmark observation across 1 board |
| Input / 1M | $2.00 | Free |
| Output / 1M | $10.00 | Free |
| Pricing status | fresh | fresh |
| Context | 1M | 262K |
| Providers | 5 | 1 |
| Weight access | No linked weights | No linked weights |
Decision facts
- Claude Sonnet 5.5 is #6; Ling 3.1 Flash is #16 on the same current language board.
- Index scores are 82.3 for Claude Sonnet 5.5 and 78.1 for Ling 3.1 Flash. Their published uncertainty intervals overlap, so the rank difference alone does not establish a reliable capability advantage for your workload.
- Both positions use Measured evidence.
- Listed output price per 1M tokens is $10.00 for Claude Sonnet 5.5 and $0 for Ling 3.1 Flash. For 1,000 requests with 2,000 input and 500 output tokens each (2M input + 0.5M output), the listed-rate estimate is $9.00 for Claude Sonnet 5.5 versus $0 for Ling 3.1 Flash. Ling 3.1 Flash costs 100.0% less in this scenario. This excludes caching, batch discounts, prompt-length tiers, tool charges and retries; verify the selected endpoint before budgeting.
- Published context is 1,000,000 tokens for Claude Sonnet 5.5 and 262,144 for Ling 3.1 Flash.
- ModelCap currently lists 5 providers for Claude Sonnet 5.5 and 1 for Ling 3.1 Flash.
These are separate published fields, not a synthetic winner. ModelCap does not collapse price, access, context, and capability evidence into a hidden recommendation score.
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Each comparison page is a permanent, shareable URL with the same live figures as this tool: ModelCap Index position, API pricing, context window, provider count, weight access and every shared benchmark board.