LLM Comparison
GPT-5.4 vs Seed 1.6
Side-by-side specs, pricing & capabilities · Updated April 2026
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2/6 modelsSame tier:
 GPT-5.4 | S Seed 1.6 | |
|---|---|---|
| Organization |  OpenAI | ByteDance |
| OpenTools Score | ||
| Family | GPT | Seed |
| Status | Current | Current |
| Release Date | Mar 2026 | Dec 2025 |
| Context Window | 1.1M tokens | 262K tokens |
| Input Price | $2.50/M tokens | $0.25/M tokens |
| Output Price | $15.00/M tokens | $2.00/M tokens |
| Pricing Notes | Cache read: $0.2500/M tokens | — |
| Capabilities | textvisioncode | textvisionvideocode |
| Max Output | 128K tokens | 33K tokens |
| API Identifier | openai/gpt-5.4 | bytedance-seed/seed-1.6 |
| View GPT-5.4 | View Seed 1.6 |
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| Model | Input | Output | Total / mo | vs Best |
|---|---|---|---|---|
| Seed 1.6Cheapest | $0.25 | $1.00 | $1.25 | — |
| GPT-5.4 | $2.50 | $7.50 | $10.00 | +700% |
OpenAI
GPT-5.4
GPT-5.4 is a multimodal llm from OpenAI. Supports up to 1,050,000 token context window. Available from $2.50/M input tokens.
ByteDance
Seed 1.6
Seed 1.6 is a multimodal llm from ByteDance. Supports up to 262,144 token context window. Available from $0.25/M input tokens.
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