Model comparison
Sulphur-2-base vs Claude 4 Sonnet
Capability radar, value bars, and side-by-side posture.
Sulphur-2-base
Not scored
value score
Claude 4 Sonnet
91
value score
Sulphur-2-base ctx
—
Claude 4 Sonnet ctx
200K
Capability radar
Value · context · multimodal · openness · speed posture
Value head-to-head
- Claude 4 Sonnet91
Attribute tape
| Field | Sulphur-2-base | Claude 4 Sonnet |
|---|---|---|
| Developer | SulphurAI | Anthropic |
| Context | — | 200K |
| Modalities | Text, Code, Image | |
| Openness | — | Proprietary Model |
| Speed | — | Fast |
| Price | — | $3/1M in · $15/1M out |
| Value score | — | 91 |
| Summary | Sulphur-2-base is an open-weights, local-first video generation model released by SulphurAI, built as a fine-tune of Lightricks' LTX 2.3 with support for text-to-video and image-to-video generation. It is distributed with base checkpoints, distill LoRAs, ComfyUI workflows, and a prompt enhancer, targeting consumer GPU inference. | Balanced Claude model for coding and agents. |