Claude Haiku 4.5 vs GPT 5.2 Codex
Fast and efficient with near-frontier intelligence.
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Frequently Asked Questions: Claude Haiku 4.5 vs GPT 5.2 Codex▼
Which is better, Claude Haiku 4.5 or GPT 5.2 Codex?
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Both Claude Haiku 4.5 and GPT 5.2 Codex are capable AI models. The best choice depends on your specific use case: consider pricing, context window, speed, and which capabilities (vision, reasoning, audio) you need.
Which is cheaper, Claude Haiku 4.5 or GPT 5.2 Codex?
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Claude Haiku 4.5 has a lower blended cost. Claude Haiku 4.5: $1.00 input / $5.00 output. GPT 5.2 Codex: $1.75 input / $14.00 output.
Which has a larger context window, Claude Haiku 4.5 or GPT 5.2 Codex?
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GPT 5.2 Codex has a larger context window: Claude Haiku 4.5 supports 200K tokens vs GPT 5.2 Codex at 400K tokens.
Do both Claude Haiku 4.5 and GPT 5.2 Codex support vision?
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Yes, both Claude Haiku 4.5 and GPT 5.2 Codex support vision/image input.
What are the key differences between Claude Haiku 4.5 and GPT 5.2 Codex?
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Claude Haiku 4.5 and GPT 5.2 Codex have similar overall capabilities. The main differences lie in pricing, context window size, and provider-specific strengths. Use this comparison page to review all metrics side by side.
Which model should I choose for my use case?
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If cost is your priority, choose the cheaper option. If you need the highest intelligence for complex tasks, pick the higher-scoring model. For long documents or codebases, choose the larger context window. You can try both Claude Haiku 4.5 and GPT 5.2 Codex for free on idapt.app to see which performs better for your specific needs.