LLM Comparison
Seed 1.6 Flash vs GPT-5.4 Mini
Side-by-side specs, pricing & capabilities · Updated April 2026
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2/6 modelsSame tier:
S Seed 1.6 Flash |  GPT-5.4 Mini | |
|---|---|---|
| Organization | ByteDance |  OpenAI |
| OpenTools Score | 64 24.5 | |
| Family | Seed | GPT |
| Status | Current | Current |
| Release Date | Dec 2025 | Mar 2026 |
| Context Window | 262K tokens | 400K tokens |
| Input Price | $0.07/M tokens | $0.75/M tokens |
| Output Price | $0.30/M tokens | $4.50/M tokens |
| Pricing Notes | — | Cache read: $0.0750/M tokens |
| Capabilities | textvisionvideocode | textvisioncode |
| Max Output | 33K tokens | 128K tokens |
| API Identifier | bytedance-seed/seed-1.6-flash | openai/gpt-5.4-mini |
| Benchmarks | ||
| GPQA Diamond | — | 88openai |
| SWE-bench Pro | — | 54.4openai |
| OSWorld-Verified | — | 72.1openai |
| Terminal-Bench 2.0 | — | 60openai |
| MMMU-Pro | — | 76.6openai |
| View Seed 1.6 Flash | View GPT-5.4 Mini | |
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| Model | Input | Output | Total / mo | vs Best |
|---|---|---|---|---|
| Seed 1.6 FlashCheapest | $0.08 | $0.15 | $0.22 | — |
| GPT-5.4 Mini | $0.75 | $2.25 | $3.00 | +1233% |
ByteDance
Seed 1.6 Flash
Seed 1.6 Flash is a multimodal llm from ByteDance. Supports up to 262,144 token context window. Available from $0.07/M input tokens.
OpenAI
GPT-5.4 Mini
GPT-5.4 Mini is a multimodal llm from OpenAI. Supports up to 400,000 token context window. Available from $0.75/M input tokens.
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