List of Best

Claude Haiku 4.5 Thinking alternatives

Looking for an alternative to Claude Haiku 4.5 Thinking? Below are the top 10 AI tools on Listof.Best, ranked by popularity — including Ling 3.0 Flash Sante, Qwen3.6 35B, GPT-6 Astra. Each is data-gated with verified pricing, features and a popularity score so you can compare at a glance.

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Best Claude Haiku 4.5 Thinking alternatives

Ling 3.0 Flash Sante

Efficient model for low-latency assistance, extraction, and routine automation

Free256k ctx

Qwen3.6 35B

Open multimodal Qwen MoE for local agents that need vision, audio, and code

from $0.15/M131k ctx3 providersOpen weights

GPT-6 Astra

Fast variant of GPT-6 Astra for low-latency assistance and high-volume workloads.

from $20/M1.1M ctx

Aion-RP 1.0

Open Llama instruction model for multilingual chat, reasoning, and coding

from $0.8/M33k ctx3 providers

GPT-5.1 Codex mini

Coding-optimized GPT model for repository edits, reviews, and agentic software work

from $0.22/M400k ctx18 providers

GLM 5.3 Flash

Native multimodal GLM model for efficient coding and long-horizon agent tasks

from $0.15/M1M ctx

GLM-5.3

Flagship GLM model for long-horizon coding, agents, and complex project delivery

Kimi K2.7 Code Fast

Kimi K2.7 Code with reasoning capped to a short budget for lower latency; reasoning cannot be disabled on…

from $0.95/M262k ctxOpen weights

Claude Sonnet 4.5 Thinking

Balanced Claude model for coding, analysis, agent workflows, and cost control

Claude 4.5 Opus Thinking

Flagship Claude model for deep reasoning, coding, and long-horizon agents