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Claude Haiku 4.5 vs GPT-5.6 Terra

Side-by-side specs, pricing and capabilities. Both models run on Clade under one subscription, so you can switch between them in the same conversation.

Claude Haiku 4.5 comes from Anthropic and GPT-5.6 Terra from OpenAI. The practical difference for most people is context, price, and which input types each one accepts.

GPT-5.6 Terra holds more in a single conversation — 1.1M tokens against 200K — which matters for long documents and large codebases.

Claude Haiku 4.5 is the cheaper of the two on input tokens at $1.00 / 1M tokens.

SpecificationClaude Haiku 4.5GPT-5.6 Terra
ProviderAnthropicOpenAI
Model IDclaude-haiku-4-5-20251001gpt-5.6-terra
Context window200K1.1M
Max output64K128K
Input price$1.00 / 1M tokens$2.00 / 1M tokens
Output price$5.00 / 1M tokens$12.00 / 1M tokens
Knowledge cutoff
Input typestext, image, fileimage, text
Output typestextimage, text
PlanFreePremium

Which should you use?

Pick Claude Haiku 4.5 when…

  • Cost matters: input runs at $1.00 / 1M tokens versus $2.00 / 1M tokens.
  • You need file input, which the other model does not accept.
  • You are on the free plan — this model is included without an upgrade.
Claude Haiku 4.5 details

Pick GPT-5.6 Terra when…

  • You need the larger context window — 1.1M against 200K.
  • You want longer single responses — up to 128K output tokens.
GPT-5.6 Terra details

Related comparisons

Try both on Clade

You do not have to choose. One Clade subscription gives you Claude Haiku 4.5, GPT-5.6 Terra, and every other model on the platform.