| ▲ | lostmsu 5 hours ago |
| Not exactly, but pretty close: https://artificialanalysis.ai/models/capabilities/coding?mod... Somewhere between Haiku 4.5 and Sonnet 4.5 |
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| ▲ | CharlesW 5 hours ago | parent | next [-] |
| > Somewhere between Haiku 4.5 and Sonnet 4.5 That's like saying "somewhere between Eliza and Haiku 4.5". Haiku is not even a so-called 'reasoning model'.¹ ¹ To preempt the easily-offended, this is what the latest Opus 4.6 in today's Claude Code update says: "Claude Haiku 4.5 is not a reasoning model — it's optimized for speed and cost efficiency. It's the fastest model in the Claude family, good for quick, straightforward tasks, but it doesn't have extended thinking/reasoning capabilities." |
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| ▲ | pityJuke 5 hours ago | parent [-] | | Haiku 4.5 is a reasoning model. [0] [0]: https://www-cdn.anthropic.com/7aad69bf12627d42234e01ee7c3630... > Claude Haiku 4.5, a new hybrid reasoning large language model from Anthropic in our small, fast model class. > As with each model released by Anthropic beginning with Claude Sonnet 3.7, Claude Haiku 4.5 is a hybrid reasoning model. This means that by default the model will answer a query rapidly, but users have the option to toggle on “extended thinking mode”, where the model will spend more time considering its response before it answers. Note that our previous model in the Haiku small-model class, Claude Haiku 3.5, did not have an extended thinking mode. | | |
| ▲ | CharlesW 5 hours ago | parent [-] | | Sure, marketing people gonna market. But Haiku's 'extended thinking' mode is very different than the reasoning capabilities of Sonnet or Opus. I would absolutely believe mar-ticles that Qwen has achieved Haiku 4.5 'extended thinking' levels of coding prowess. | | |
| ▲ | DetroitThrow 5 hours ago | parent [-] | | >Sure, marketing people gonna market. Oh HN never change. | | |
| ▲ | CharlesW 4 hours ago | parent | next [-] | | Not sure what this means, but as a marketing person myself, here's what happened: One day, an Anthropican involved in the Haiku 4.5 launch shrugged, weighed the odds of getting spanked for equating "extended thinking" with "reasoning", and then used Claude to generate copy declaring that. It's not rocket surgery! | | |
| ▲ | DetroitThrow an hour ago | parent [-] | | It's mainly that people on here, regardless of profession, speak incorrectly but confidentally about things that could be easily verified with a Google search or basic familiarity with the thing in question. Haiku 4.5 is a reasoning model, regardless of whatever hallucination you read. Being a hybrid reasoning model means that, depending on the complexity of the question and whether you explicitly enable reasoning (this is "extended thinking" in the API and other interfaces) when making a request to the LLM, it will emit reasoning tokens separately prior to the tokens used in the main response. I love your theory that there was some mix up on their side because they were lazy and it was just some marketing dude being quirky with the technical language. |
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| ▲ | 4 hours ago | parent | prev [-] | | [deleted] |
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| ▲ | pinum 5 hours ago | parent | prev [-] |
| Looks much closer to Haiku than Sonnet. Maybe "Qwen3.5 122B offers Haiku 4.5 performance on local computers" would be a more realistic and defensible claim. |
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| ▲ | lostmsu 8 minutes ago | parent [-] | | I won't disagree - the guideline prescribes to keep the original title as much as possible, and I failed to find more neutral source. |
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