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AI Tool Alternatives / OpenAI

Alternatives to OpenAI

These tools sit near OpenAI. Compare features and pricing before you switch.

Open OpenAI listing · AI Tools Rankings 2026 | Hot & Featured

Alternatives

  • Anthropic: Claude line if you want a non-OpenAI frontier.
  • Kimi: Moonshot consumer + API if you want a 1M-context non-US stack.
  • Zhipu GLM-5.3: Open-weight coding alternative.
Claude Opus 4.5 logo

Claude Opus 4.5

Models

Anthropic's previous Opus snapshot: 200k context, $5/$25 per 1M tokens. Later billed lines include Opus 4.6 and Opus 5.

#Anthropic 
Month Visit2500000DR: 92AS: 95
Kimi logo

Kimi

Development Tools

Moonshot AI's Kimi assistant, now led by K3 for agentic coding, with 1M-token API context and K2.7/K2.6 models.

#Kimi 
Month Visit3600000DR: 68AS: 55
GLM-5.3 logo

GLM-5.3

Models

Zhipu coding model on GLM Coding Plan. Token API not on the public table yet. Not $18-only.

#Zhipu AI 
Month Visit5000000DR: 88AS: 90