Claude Haiku 4.5 is Anthropic’s fastest and most efficient model, delivering near-frontier intelligence at a fraction of the cost and latency of larger Claude models. Matching Claude Sonnet 4’s performance across reasoning, coding, and comp…
Model details →Anthropic: Claude Haiku 4.5 vs OpenAI: GPT-3.5 Turbo (older v0613)
Anthropic: Claude Haiku 4.5 wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
GPT-3.5 Turbo is OpenAI's fastest model. It can understand and generate natural language or code, and is optimized for chat and traditional completion tasks. Training data up to Sep 2021.
Model details →Side-by-side comparison
| Capability | Anthropic: Claude Haiku 4.5 | OpenAI: GPT-3.5 Turbo (older v0613) | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 200K | 4K | 🏆 Anthropic: Claude Haiku 4.5 |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $1.00 | $1.00 | Tie |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $5.00 | $2.00 | 🏆 OpenAI: GPT-3.5 Turbo (older v0613) |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| Vision input Accepts image inputs alongside text. | Yes | — | 🏆 Anthropic: Claude Haiku 4.5 |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | — | 🏆 Anthropic: Claude Haiku 4.5 |
Frequently asked questions
Is Anthropic: Claude Haiku 4.5 better than OpenAI: GPT-3.5 Turbo (older v0613)?
Anthropic: Claude Haiku 4.5 wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between Anthropic: Claude Haiku 4.5 and OpenAI: GPT-3.5 Turbo (older v0613)?
Input: $1.00 vs $1.00 per 1M tokens. Output: $5.00 vs $2.00 per 1M tokens.
What context windows do Anthropic: Claude Haiku 4.5 and OpenAI: GPT-3.5 Turbo (older v0613) support?
Anthropic: Claude Haiku 4.5 supports up to 200K tokens. OpenAI: GPT-3.5 Turbo (older v0613) supports up to 4K tokens.
Do both Anthropic: Claude Haiku 4.5 and OpenAI: GPT-3.5 Turbo (older v0613) support tool calling?
Anthropic: Claude Haiku 4.5: yes. OpenAI: GPT-3.5 Turbo (older v0613): yes.