LLM Comparison
Claude Opus 4.6 vs Seed 1.6
Side-by-side specs, pricing & capabilities · Updated April 2026
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2/6 modelsSame tier:
 Claude Opus 4.6 | S Seed 1.6 | |
|---|---|---|
| Organization |  Anthropic | ByteDance |
| OpenTools Score | 73 4.9 | |
| Family | Claude | Seed |
| Status | Current | Current |
| Release Date | Feb 2026 | Dec 2025 |
| Context Window | 1.0M tokens | 262K tokens |
| Input Price | $5.00/M tokens | $0.25/M tokens |
| Output Price | $25.00/M tokens | $2.00/M tokens |
| Pricing Notes | Cache read: $0.5000/M tokens | — |
| Capabilities | textvisioncodetool-use | textvisionvideocode |
| Max Output | 128K tokens | 33K tokens |
| API Identifier | anthropic/claude-opus-4.6 | bytedance-seed/seed-1.6 |
| Benchmarks | ||
| MMLU | 89.8 | — |
| HumanEval | 91.5 | — |
| MATH | 84.9 | — |
| GPQA | 72.4 | — |
| View Claude Opus 4.6 | View Seed 1.6 | |
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| Model | Input | Output | Total / mo | vs Best |
|---|---|---|---|---|
| Seed 1.6Cheapest | $0.25 | $1.00 | $1.25 | — |
| Claude Opus 4.6 | $5.00 | $12.50 | $17.50 | +1300% |
Anthropic
Claude Opus 4.6
Claude Opus 4.6 is a multimodal llm from Anthropic. Supports up to 1,000,000 token context window. Achieves 89.8% on MMLU. Available from $5.00/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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