API cost decision in 10 seconds

Claude Opus 4.6 (Fast) vs Seed-2.0-Mini

Pick Seed-2.0-Mini for lower cost; pick Claude Opus 4.6 (Fast) only if the larger context window matters more.

Pricing data updated:  Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick Seed-2.0-Mini for lower cost; pick Claude Opus 4.6 (Fast) only if the larger context window matters more.

On the standard 1M input plus 500K output workload, Seed-2.0-Mini is estimated at $0.3 vs $105 for Claude Opus 4.6 (Fast), saving $104.7 (99.7% lower).

Cost-first pickSeed-2.0-Mini
Context-first pickClaude Opus 4.6 (Fast)
Sample savings$104.799.7%
10x traffic gap$1047

Claude Opus 4.6 (Fast) has more context, but Seed-2.0-Mini saves $104.7 on the standard workload. At 10x that traffic, the same price gap is about $1047. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

Seed-2.0-Mini stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shapeToken mixBetter pickClaude Opus 4.6 (Fast)Seed-2.0-Mini
Input-heavy / RAG5M input + 500K outputSeed-2.0-Mini$225$0.7
Balanced workload1M input + 1M outputSeed-2.0-Mini$180$0.5
Output-heavy chatbot1M input + 5M outputSeed-2.0-Mini$780$2.1
Cheaper input Seed-2.0-Mini $30 vs $0.1 / 1M

Seed-2.0-Mini is $29.9 cheaper per 1M input tokens (99.7% lower; 300x difference).

Cheaper output Seed-2.0-Mini $150 vs $0.4 / 1M

Seed-2.0-Mini is $149.6 cheaper per 1M output tokens (99.7% lower; 375x difference).

Larger context Claude Opus 4.6 (Fast) 1M vs 262.14K

Claude Opus 4.6 (Fast) has 737.86K more context (3.81x larger).

Sample workload Seed-2.0-Mini $105 vs $0.3

Seed-2.0-Mini is $104.7 cheaper on the standard workload (99.7% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.
Claude Opus 4.6 (Fast) Calculating… Estimated API cost
Seed-2.0-Mini Calculating… Estimated API cost
Cheaper for this workload Calculating… Difference: calculating…

This estimate uses normalized public API pricing per 1M tokens. It is a planning aid, not a billing quote. Verify provider pricing, limits, and terms before production use.

Quick Decision

Verdict

Seed-2.0-Mini has the lower input price; Seed-2.0-Mini has the lower output price; Claude Opus 4.6 (Fast) offers the larger context window. For the 1M input plus 500K output sample, Seed-2.0-Mini is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $105 for Claude Opus 4.6 (Fast) and $0.3 for Seed-2.0-Mini.

Best Fit

Choose Claude Opus 4.6 (Fast) when you care most about larger context window.

Choose Seed-2.0-Mini when you care most about lower input-token price, and lower output-token price.

Decision Notes
  • On the standard 1M input plus 500K output workload, Seed-2.0-Mini is estimated at $0.3 vs $105 for Claude Opus 4.6 (Fast), saving $104.7 (99.7% lower).
  • Seed-2.0-Mini is $104.7 cheaper on the standard workload (99.7% lower).
  • Seed-2.0-Mini is $29.9 cheaper per 1M input tokens (99.7% lower; 300x difference).
  • Seed-2.0-Mini is $149.6 cheaper per 1M output tokens (99.7% lower; 375x difference).
  • Claude Opus 4.6 (Fast) has 737.86K more context (3.81x larger).
Head-to-Head Specs
FeatureClaude Opus 4.6 (Fast)
(Anthropic)
Seed-2.0-Mini
(ByteDance Seed)
Input Price
prompt tokens per 1M
$30$0.1
Completion Price
per 1M tokens
$150$0.4
Sample Workload Cost
1M input + 500K output
$105$0.3
Context Window1M262.14K
Release Date

Use-Case Decision Matrix

Use caseBetter pickWhy
Budget-constrained productionSeed-2.0-MiniOn the standard 1M input plus 500K output workload, Seed-2.0-Mini is estimated at $0.3 vs $105 for Claude Opus 4.6 (Fast), saving $104.7 (99.7% lower).
High-volume input processingSeed-2.0-MiniLower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbotsSeed-2.0-MiniLower output-token price matters most when assistants generate many completion tokens.
RAG or long-document workClaude Opus 4.6 (Fast)A larger context window leaves more room for retrieved passages, conversation history, or source files.

Related Alternatives

Same-provider lower-cost swaps
  • Claude 3 Haiku can replace Claude Opus 4.6 (Fast) when lower sample workload cost matters most: $0.88.
  • Claude 3.5 Haiku can replace Claude Opus 4.6 (Fast) when lower sample workload cost matters most: $2.8.
  • Anthropic Claude Haiku Latest can replace Claude Opus 4.6 (Fast) when lower sample workload cost matters most: $3.5.
  • Claude Haiku 4.5 can replace Claude Opus 4.6 (Fast) when lower sample workload cost matters most: $3.5.
Popular competitors
  • No popular competitor is currently available.

Cheaper alternatives

Review low-cost models sorted by a standard 1M input plus 500K output workload.

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Larger context alternatives

Find models with larger context windows for RAG, long documents, and codebase review.

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Provider catalogs

Compare models within provider hubs before choosing a final API vendor.

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Anthropic catalog

Review all tracked Anthropic models before deciding whether this matchup is the right shortlist.

Open Anthropic models

ByteDance Seed catalog

Check other ByteDance Seed models with comparable pricing, context, or release timing.

Open ByteDance Seed models
Claude Opus 4.6 (Fast)

Fast-mode variant of [Opus 4.6](/anthropic/claude-opus-4.6) - identical capabilities with higher output speed at premium 6x pricing. Learn more in Anthropic's docs: https://platform.claude.com/docs/en/build-with-claude/fast-mode

Seed-2.0-Mini

Seed-2.0-mini targets latency-sensitive, high-concurrency, and cost-sensitive scenarios, emphasizing fast response and flexible inference deployment. It delivers performance comparable to ByteDance-Seed-1.6, supports 256k context, four reasoning effort modes (minimal/low/medium/high), multimodal understanding,...