Model decision surface
Compare AI models
Start with Claude Haiku 4.5 and GPT-5.4 Nano, 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 Haiku 4.5 vs GPT-5.4 Nano
Live dataset updated 8/17/2026, 11:13:20 PM UTC
Open 1200×630 evidence receipt| Field | Claude Haiku 4.5 Anthropic | GPT-5.4 Nano OpenAI |
|---|---|---|
| ModelCap position | #45 | #46 |
| Index score | 52.3 | 52.1 |
| Evidence | Measured3 public benchmark observations across 3 boards | Measured4 public benchmark observations across 4 boards |
| Input / 1M | $1.00 | $0.20 |
| Output / 1M | $5.00 | $1.25 |
| Pricing status | fresh | fresh |
| Context | 200K | 400K |
| Providers | 4 | 2 |
| Weight access | API only | API only |
Decision facts
- Claude Haiku 4.5 is #45; GPT-5.4 Nano is #46 on the same current language board.
- Index scores are 52.3 for Claude Haiku 4.5 and 52.1 for GPT-5.4 Nano.
- Both positions use Measured evidence.
- Listed output price per 1M tokens is $5.00 for Claude Haiku 4.5 and $1.25 for GPT-5.4 Nano.
- Published context is 200,000 tokens for Claude Haiku 4.5 and 400,000 for GPT-5.4 Nano.
- ModelCap currently lists 4 providers for Claude Haiku 4.5 and 2 for GPT-5.4 Nano.
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.