Compare models
Pick up to 4. Every model here is free in free-pi.
| GLM 5.3 Flash | Defense Flash | DeepSeek V4 Pro | Muse Spark Open (Meta) | |
|---|---|---|---|---|
| Maker | Z.ai | — | DeepSeek | Meta |
| Usage in free-pi | ~1.5x usage | ~20x usage | ~8.6x usage | premium, uses allowance fast · ~25x usage |
| Intelligence index | 41.8 (best) | — | 30.4 | — |
| Coding index | 71.5 (best) | — | 59.4 | — |
| Context window | 1,048,576 tokens (best) | — | 1,048,576 tokens (best) | 1,048,576 tokens (best) |
| Max output | 943,717 tokens | — | 384,000 tokens | 943,718 tokens (best) |
| Inputs | Text, image, video | — | Text | Text, image, file, audio, video (best) |
| Tool calling | Yes | — | Yes | Yes |
| Reasoning effort | Yes | — | Yes | Yes |
| Structured output | Yes | — | Yes | Yes |
| Released | Aug 26, 2026 | — | Apr 24, 2026 | Oct 15, 2026 |
| Model page | Model page | Model page | Model page | Model page |
Stats from OpenRouter; refreshed automatically. Usage rate from free-pi. Green marks the best value in each row. “—” means no figure is available.