Anthropic: Claude Haiku 4.5 anthropic/claude-haiku-4.5Claude Haiku 4.5 is Anthropic’s fastest and most efficient model, delivering near-frontier intelligence at a fraction of the cost and latency of larger Claude models. Matching Claude Sonnet 4’s performance...
Source-linked Closed weights
Context window 200K
Maximum output 64K
Provider offers 0
Knowledge cutoff Undisclosed
Capabilities What this model supports
Creator Anthropic
Family Not documented
Modalities File, Image, Text
License Not documented
Release date Not documented
Model ID anthropic/claude-haiku-4.5
No known providers available.
Evidence Published benchmark results
Anthropic: Claude Opus 4.8
47.2
Anthropic: Claude Haiku 4.5
16.4
Anthropic: Claude Opus 4.8
74.3
Anthropic: Claude Opus 4.7
73.6
Anthropic: Claude Haiku 4.5
43.9
Anthropic: Claude Opus 4.6
1348.0
Anthropic: Claude Haiku 4.5
1145.0
Anthropic: Claude Opus 4.7
1326.0
Gemini 3.1 Pro Preview
1316.0
Anthropic: Claude Opus 4.8
1305.0
Anthropic: Claude Opus 4.6
1305.0
Anthropic: Claude Haiku 4.5
1186.0
Anthropic: Claude Opus 4.6
1336.0
Anthropic: Claude Opus 4.7
1330.0
Anthropic: Claude Haiku 4.5
1156.0
Anthropic: Claude Opus 4.6
1321.0
Anthropic: Claude Opus 4.7
1320.0
Anthropic: Claude Sonnet 4.6
1317.0
Anthropic: Claude Haiku 4.5
1163.0
Anthropic: Claude Opus 4.6
1339.0
Anthropic: Claude Opus 4.7
1334.0
Anthropic: Claude Haiku 4.5
1158.0
Gemini 3.1 Pro Preview
1340.0
Anthropic: Claude Opus 4.6
1279.0
Anthropic: Claude Opus 4.7
1274.0
Anthropic: Claude Haiku 4.5
1075.0
Anthropic: Claude Opus 4.7
1358.0
Anthropic: Claude Opus 4.6
1344.0
Anthropic: Claude Sonnet 4.6
1321.0
Anthropic: Claude Haiku 4.5
1148.0
Anthropic: Claude Opus 4.6
1331.0
Anthropic: Claude Opus 4.7
1329.0
Anthropic: Claude Sonnet 4.6
1320.0
Anthropic: Claude Haiku 4.5
1157.0
Anthropic: Claude Opus 4.8
55.7
Anthropic: Claude Opus 4.7
53.5
Anthropic: Claude Haiku 4.5
29.6
Data provenance Sources & freshness Last verified July 12, 2026 at 09:13 UTC Status Source-linked Confidence Medium
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