Model comparison · image, text
Claude Haiku 4.5 vs Claude Sonnet 5
Symmetrical, primary-source facts with unknown values left visible. No winner is assigned without comparable measurements.
FieldAt a glance
Anthropic · activeClaude Haiku 4.5Verified Aug 28, 2026
Anthropic · activeClaude Sonnet 5Verified Aug 28, 2026
Technical differences
Side-by-side facts
| Field | Claude Haiku 4.5 | Claude Sonnet 5 |
|---|---|---|
| Developer | Anthropic | Anthropic |
| Family | Claude 4 5 | Claude 5 |
| Model | Claude Haiku 4.5 | Claude Sonnet 5 |
| Version | Claude Haiku 4.5 | Claude Sonnet 5 |
| Lifecycle | active | active |
| Input modalities | Text, Image | Text, Image |
| Output modalities | Text | Text |
| Context window | 200000 | 1000000 |
| Total parameters | Unknown | Unknown |
| Active parameters | Unknown | Unknown |
| License | Unknown | Unknown |
| Open weights | No | No |
| API available | Yes | Yes |
| Self-hostable | No | No |
| Capabilities | chat, generation, reasoning, tools | chat, generation, reasoning, tools |
12 comparable fields · 4 material differences · Pair passes the primary-source comparison gate
Primary benchmark evidence
Comparable performance
No protocol-matched benchmark yet.Results appear here only when both models share the same benchmark version, metric, evaluation protocol, and evidence class.
Claude Haiku 4.5 capabilities
Input price$1.00
Output price$5.00
Serving providers1
Canonical IDanthropic/claude-haiku-4-5-20251001
Claude Sonnet 5 capabilities
Input price$2.00
Output price$10.00
Serving providers1
Canonical IDanthropic/claude-sonnet-5
Internal comparison graph
Related comparisons
Primary evidence