Claude Opus 4.8 is Anthropic’s newest and most powerful publicly available model. It is suitable for the most complex tasks. It is Anthropic’s strongest model for complex reasoning, long-horizon agent programming, and highly autonomous work.claude-opus-4-8 does not display thought content by default; you need to set the additional parameter "display": "summarized" to enable it
Claude Opus 4.8 vs Doubao Seed 1.6 Flash
Compare Claude Opus 4.8 from Anthropic and Doubao Seed 1.6 Flash from ByteDance on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the AIHubMix API.
Doubao-Seed-1.6-flash is an extremely fast multimodal deep thinking model, with TPOT requiring only 10ms. It supports both text and visual understanding, with its text comprehension skills surpassing the previous generation lite model and its visual understanding on par with competitor's pro series models. It supports a 256k context window and an output length of up to 16k tokens.
Pricing & Specifications
Prices are per million tokens. Time to First Token and throughput are rolling averages measured on AIHubMix.
Promotional prices show the discounted rate; see each model page for promotion windows.
Activity Past 30 Days
Daily traffic served through AIHubMix — how demand for each model is trending.
Tokens / day
Requests / day
Performance Past 3 Days
Measured on real AIHubMix traffic, hourly buckets. Gaps mean no traffic in that hour.
Throughput (tok/s)
TTFT (s)
Uptime (%)
Cost calculator
Estimate your monthly bill for the same workload on each model.
Monthly = daily × 30. Discounted rates applied where a promotion is active.
FAQ
Which is cheaper: Claude Opus 4.8, Doubao Seed 1.6 Flash?
Doubao Seed 1.6 Flash: $0.44/M output tokens; Claude Opus 4.8: $25/M. Use the cost calculator above to estimate your own workload.
How large is each context window?
Claude Opus 4.8 accepts 1,000,000 and Doubao Seed 1.6 Flash accepts 256,000 input tokens. Maximum output per request is 128,000 tokens on Claude Opus 4.8 and 33,000 tokens on Doubao Seed 1.6 Flash.
What inputs and capabilities does each model support?
Claude Opus 4.8 accepts text, image and PDF input and supports thinking, tool calling, function calling and structured outputs; Doubao Seed 1.6 Flash accepts text, image and video input and supports thinking, tool calling, function calling and structured outputs.
Can I call Claude Opus 4.8 and Doubao Seed 1.6 Flash with the same API key?
Yes. AIHubMix serves every model on this page behind one OpenAI-compatible endpoint, so switching between them is a one-line change to the model field — no second account, key or SDK.
Popular comparisons
Related model match-ups readers also look at.