LLM Comparison

GPT-5.4 Nano vs Seed 1.6

Side-by-side specs, pricing & capabilities · Updated September 2026

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2/6 models
Same tier:
 OpenAIGPT-5.4 NanoByteDanceSeed 1.6
OrganizationOpenAIOpenAIByteDanceByteDance
OpenTools Score
38
52.0
FamilyGPTSeed
StatusCurrentCurrent
Release DateMar 2026Dec 2025
Context Window400K tokens262K tokens
Input Price$0.20/M tokens$0.25/M tokens
Output Price$1.25/M tokens$2.00/M tokens
Pricing NotesCache read: $0.0200/M tokens
Capabilities
textvisioncode
textvisionvideocode
Training CutoffAug 31, 2025
Max Output128K tokens33K tokens
API Identifieropenai/gpt-5.4-nanobytedance-seed/seed-1.6
Benchmarks
Artificial Analysis Intelligence Index v4.3
21.2442artificial-analysis
GPQA Diamond
81.7172artificial-analysis
SciCode
47.2222artificial-analysis
Terminal-Bench 2.1
60.6742artificial-analysis
 View GPT-5.4 NanoView Seed 1.6

Cost Calculator

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ModelInputOutputTotal / movs Best
GPT-5.4 NanoCheapest$0.20$0.63$0.83
Seed 1.6$0.25$1.00$1.25+52%

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