Claude 3 Haiku vs GPT-5.1 Codex mini
Side-by-side comparison of pricing and capabilities
Claude 3 Haiku
GPT-5.1 Codex mini
Input Price Comparison
| Attribute | Claude 3 Haiku | GPT-5.1 Codex mini |
|---|---|---|
| Provider | Anthropic | OpenAI |
| Input Price | $0.25 /1M tokens | $0.25 /1M tokens |
| Output Price | $1.25 /1M tokens | $2 /1M tokens |
| Cached Input | $0.025 /1M tokens | $0.025 /1M tokens |
| Context Window | 200K | 400K |
| Type | chat | chat |
| Status | current | current |
Capability Comparison
| Capability | Claude 3 Haiku | GPT-5.1 Codex mini |
|---|---|---|
| coding | ||
| multilingual |
Which should you choose?
Budget-conscious: Claude 3 Haiku is 0% cheaper on input tokens ($0.25 vs $0.25 per 1M tokens). Both models have the same input price.
Context-heavy tasks: GPT-5.1 Codex mini offers a larger context window (400K vs 200K), making it better for long documents or conversations.
Capability fit: Claude 3 Haiku supports 2 capabilities (coding, multilingual), while GPT-5.1 Codex mini supports 1 (coding).
Frequently Asked Questions
Which is cheaper: Claude 3 Haiku or GPT-5.1 Codex mini?
Claude 3 Haiku costs $0.25/1M input vs GPT-5.1 Codex mini at $0.25/1M input. Claude 3 Haiku is 0% cheaper on input tokens.
How do output prices compare between Claude 3 Haiku and GPT-5.1 Codex mini?
Claude 3 Haiku output: $1.25/1M, GPT-5.1 Codex mini output: $2/1M. Claude 3 Haiku is more economical for generation-heavy workloads.
What is Claude 3 Haiku best used for?
Claude 3 Haiku is best for budget-conscious applications, high-volume chatbots, and tasks where cost efficiency is the primary concern.
What is GPT-5.1 Codex mini best used for?
GPT-5.1 Codex mini is suited for complex reasoning, analysis, and tasks that benefit from its coding capabilities.