Skip to main content
idapt
HomeCodeAI ModelsPricing
Sign inStart free trial
  • Home
  • Pricing
  • AI Models
  • Image models
  • Voice models
  • Video models
  • Rankings
  • New models
  • Model status
  • Multi-Model Chat
  • Agents
  • Computers
  • Drive
  • Automations
  • AI Gateway
  • All features →
  • LLM cost calculator
  • Token counter
  • All free tools →
  • Blog
  • Use cases
  • Comparisons
  • Best of
  • Benchmarks
  • Demos
  • Changelog
  • Help center
  • FAQ
  • Privacy
  • Compare all models
  • Support
  • idapt Code
  • Developers
  • Quickstarts
  • API reference
  • API pricing
  • CLI
  • MCP
  • Downloads
  • Desktop
  • Badges and embeds
© idapt[email protected]TermsPrivacy PolicyLegal noticeReport content
X (Twitter)

Claude Opus 4.8 vs Seed 1.6

At a glance

Anthropic's most capable Opus yet, built for long-horizon autonomous agents and frontier coding.

891M ctx$5.00/$25.00 per M#4/92

ByteDance's flagship language model with top reasoning capabilities.

262K ctx$0.25/$2.00 per M
Demos
All demos

No shared demos for these models yet.

AI Output
All AI outputs

No captured outputs for these models yet.

Benchmarks
See rankings
Reasoning
AgenticInsufficient data
Sources:Epoch ECI·Epoch AI·Provider·OpenRouter· as of 2026-07-10
Capability
CapabilityECI89.2
Reasoning & Knowledge
Graduate Science91.0%Factual Recall39.5%
Math
Competition Math98.3%Research Math47.2%
Coding
Real-World Coding88.6%
Agentic
Novel Reasoning72.1%
Reasoning
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:OpenRouter
Cheaper93%
Capability
Capability—
Reasoning & Knowledge
Graduate Science—Factual Recall—
Math
Competition Math—Research Math—
Coding
Real-World Coding—
Agentic
Novel Reasoning—
Specs
1M
Context
128K
Max output
May 2026
Released
262K
Context
33K
Max output
Dec 2025
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input$5.00/M tokens
Output$25.00/M tokens
Cache read$0.50/M tokens
Cache write$6.25/M tokens
Web search$0.01/search
Live pricing, shown before you run
Input95%$0.25/M tokens
Output92%$2.00/M tokens
Chat with Claude Opus 4.8Go to model
Chat with Seed 1.6Go to model
Frequently Asked Questions: Claude Opus 4.8 vs Seed 1.6▼

Which is better, Claude Opus 4.8 or Seed 1.6?

▼

Both Claude Opus 4.8 and Seed 1.6 are capable AI models. The best choice depends on your specific use case: consider pricing, context window, speed, and which capabilities (vision, reasoning, audio) you need.

Which is cheaper, Claude Opus 4.8 or Seed 1.6?

▼

Seed 1.6 has a lower blended cost. Claude Opus 4.8: $5.00 input / $25.00 output. Seed 1.6: $0.25 input / $2.00 output.

Which has a larger context window, Claude Opus 4.8 or Seed 1.6?

▼

Claude Opus 4.8 has a larger context window: Claude Opus 4.8 supports 1M tokens vs Seed 1.6 at 262K tokens.

Do both Claude Opus 4.8 and Seed 1.6 support vision?

▼

Yes, both Claude Opus 4.8 and Seed 1.6 support vision/image input.

What are the key differences between Claude Opus 4.8 and Seed 1.6?

▼

Key differences: Seed 1.6 is significantly cheaper. Compare full specs on this page.

Which model should I choose for my use case?

▼

If cost is your priority, choose the cheaper option. If you need the highest intelligence for complex tasks, pick the higher-scoring model. For long documents or codebases, choose the larger context window. You can try both Claude Opus 4.8 and Seed 1.6 for free on idapt.app to see which performs better for your specific needs.

Open in App