LOADING DATASHEET
GROUNDED IN REAL HUMAN CONVERSATIONSYOUR BENCH
Claude Haiku 4.5
by Anthropic
CLOSEDHOSTEDAPILONG CONTEXTPAIDREASONING
RANKED #116 OF 271 ASSISTANTS · OVERALL #194 OF 6,567 · VIBE SCORE 5.9 · 371 VOICES
Claude 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...
HAPPY8.4
26 mentions
SAD6.6
23 mentions
VIBE TRAJECTORY
26 weeks · 580 voices
QUIETLY DEGRADING
Recent vibe and chatter are both sliding.
HOW TO USE IT
Closed model. Anthropic hosts it, so you use it through an app or an API.
PREFER OPEN SOURCE? THE CROWD HAS PICKS
Claude Haiku 4.5 is closed, so you rent it. These open-weight models can genuinely stand in for it. Download once, own forever.
- OPEN WEIGHTS5.4
Llama 4 MaverickMetaPick it when you need top-tier open-weight multimodal reasoning and coding.🏆 NEAR-PEER QUALITY💻 STRONG AT CODE❤️ CROWD FAVORITE2.1k VOICESMATCH★★★ - OPEN WEIGHTS6.4Muse Glimmer 30BMetaPick it to run a highly capable multimodal agent locally on consumer hardware.🔒 PRIVATE & OFFLINE🏆 NEAR-PEER QUALITY🪶 RUNS ON LESS207 VOICESMATCH★★★
- OPEN WEIGHTS6.6
Qwen3.6 27BAlibabaPick it for a powerful local coding assistant with native vision capabilities.💻 STRONG AT CODE🏆 NEAR-PEER QUALITY🪶 RUNS ON LESS720 VOICESMATCH★★★
WHAT THE INTERNET SAYS
Not enough discussion about Claude Haiku 4.5 yet to call it. We found 371 posts but people did not say much either way.
324 POSTS · 47 COMMENTS · HACKER NEWS · REDDIT · GITHUB · X · LEMMY · BLUESKY · DEV.TO · BLOG
PEOPLE LOVE
- No fan mail yet. The crowd is still warming up.
PEOPLE COMPLAIN ABOUT
- No complaints yet. The internet is still looking for one. Suspicious.
LOOKING FOR AN ALTERNATIVE?
Checked picks first: tags say why you would switch, stars say how fully each one stands in for Claude Haiku 4.5.
Gemini 3.7 Flash
Grok 4.6
GLM 5.3> SOURCES (12)
- REDDIT · 2025-11-05 · 857 UPVOTESPerplexity is DELIBERATELY SCAMMING AND REROUTING users to other models
Perplexity is DELIBERATELY SCAMMING AND REROUTING users to other models
- REDDIT · 2025-10-15 · 323 UPVOTESIntroducing Claude Haiku 4.5: our latest small model.
Introducing Claude Haiku 4.5: our latest small model.
- REDDIT · 2026-08-03 · 288 UPVOTESI read Dario Amodei’s interviews - and now I hate him
I read Dario Amodei’s interviews - and now I hate him
- REDDIT · 2026-03-14 · 265 UPVOTESThings Anthropic launched in last 70 days of 2026 (so far):
Things Anthropic launched in last 70 days of 2026 (so far):
- REDDIT · 2026-05-20 · 162 UPVOTESClaude collapses
Claude collapses
- REDDIT · 2026-03-13 · 159 UPVOTESClaude just got dynamic, interactive inline visuals — Here's how to get THE SAME THING in Open WebUI with ANY model!
Claude just got dynamic, interactive inline visuals — Here's how to get THE SAME THING in Open WebUI with ANY model!
- REDDIT · 2025-10-15 · 130 UPVOTESIntroducing Claude Haiku 4.5
Introducing Claude Haiku 4.5
- REDDIT · 2025-10-15 · 129 UPVOTESClaude Haiku 4.5 Spotted
Claude Haiku 4.5 Spotted
- REDDIT · 2025-11-15 · 126 UPVOTESAnthropic Update: The free "Sonnet 4.5" access has ended.
Anthropic Update: The free "Sonnet 4.5" access has ended.
- REDDIT · 2026-04-28 · 124 UPVOTESNew study finds: bigger AIs = more miserable. Smaller models are actually happier. Ignorance is bliss for AIs too.
New study finds: bigger AIs = more miserable. Smaller models are actually happier. Ignorance is bliss for AIs too.
- LEMMY · 2026-05-27 · 119 UPVOTESDuckDuckGo installs are up 30% as users reject being ‘force-fed’ Google’s AI Search
DuckDuckGo installs are up 30% as users reject being ‘force-fed’ Google’s AI Search
- REDDIT · 2026-05-22 · 94 UPVOTESThe butterfly effect in LLM social simulations. Relevant to how we write CLAUDE.md and system prompts.
The butterfly effect in LLM social simulations. Relevant to how we write CLAUDE.md and system prompts.