Lyria 3 Pro Preview has the larger context window (1,048,576 vs 256,000 tokens, 4.1×). Step 3.7 Flash is open-weights; the other is not.
Lyria 3 Pro Preview vs Step 3.7 Flash
Live catalog fields. Best-in-row is highlighted.
Lyria 3 Pro Preview
Google · google__lyria-3-pro-preview
Step 3.7 Flashopen
Stepfun · stepfun__step-3.7-flash
Identity
| Field | google__lyria-3-pro-preview | stepfun__step-3.7-flash |
|---|---|---|
| Provider | Stepfun | |
| Slug | google__lyria-3-pro-preview | stepfun__step-3.7-flash |
| Status | live | live |
| Open weights | No | Yes |
| License | — | — |
| HuggingFace | — | stepfun-ai/Step-3.7-Flash |
Quality
| Field | google__lyria-3-pro-preview | stepfun__step-3.7-flash |
|---|---|---|
| Quality index (0–100) | — | — |
Cost
| Field | google__lyria-3-pro-preview | stepfun__step-3.7-flash |
|---|---|---|
| Input $ / 1M tokens | $0.00 | $0.20 |
| Cached input $ / 1M | — | $0.04 |
| Output $ / 1M tokens | $0.00 | $1.15 |
Context
| Field | google__lyria-3-pro-preview | stepfun__step-3.7-flash |
|---|---|---|
| Max context tokens | 1,048,576 | 256,000 |
| Max output tokens | 65,536 | 230,400 |
Modalities
| Field | google__lyria-3-pro-preview | stepfun__step-3.7-flash |
|---|---|---|
| Input | text, image | text, image, video |
| Output | text, audio | text |