GPT-6.1 Sol vs Claude Haiku 4.5
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.
GPT-6.1 Sol comes from OpenAI and Claude Haiku 4.5 from Anthropic. The practical difference for most people is context, price, and which input types each one accepts.
GPT-6.1 Sol 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.
| Specification | GPT-6.1 Sol | Claude Haiku 4.5 |
|---|---|---|
| Provider | OpenAI | Anthropic |
| Model ID | gpt-6.1-sol | claude-haiku-4-5-20251001 |
| Context window | 1.1M | 200K |
| Max output | 128K | 64K |
| Input price | $2.00 / 1M tokens | $1.00 / 1M tokens |
| Output price | $10.00 / 1M tokens | $5.00 / 1M tokens |
| Knowledge cutoff | 2026-04 | — |
| Input types | text, image | text, image, file |
| Output types | text | text |
| Plan | All paid plans | All paid plans |
Which should you use?
Pick GPT-6.1 Sol when…
- You need the larger context window — 1.1M against 200K.
- You want longer single responses — up to 128K output tokens.
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.
Related comparisons
Try both on Clade
You do not have to choose. One Clade subscription gives you GPT-6.1 Sol, Claude Haiku 4.5, and every other model on the platform.