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Doubao Seed 2.0 Pro vs Grok 4.5

Compare Doubao Seed 2.0 Pro from ByteDance and Grok 4.5 from Grok on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the AIHubMix API.

ByteDanceDoubao Seed 2.0 ProGrokGrok 4.5
+ Add model · 2/4
ByteDance logo
Doubao Seed 2.0 Pro
ByteDance · text, image, video → text

Doubao flagship all-purpose general model, targeting complex reasoning and long-chain task execution scenarios in the Agent era. It emphasizes multimodal understanding, long-context reasoning, structured generation, and tool-augmented execution. It excels at handling complex instructions and multi-constraint execution, reliably addressing multi-step complex planning, intricate image-text reasoning, video content understanding, and high-difficulty analysis scenarios.

Input$0.4822 /M
Output$2.411 /M
Cache read$0.0964 /M
Details
Grok logo
Grok 4.5
Grok · text, image → text

Grok 4.5 was trained on datasets spanning knowledge in coding, science, engineering, and math. With both intelligent and efficient reasoning, Grok 4.5 excels at real engineering tasks and exceeds comparable leading models at these tasks.

Input$2 /M
Output$6 /M
Cache read$0.5 /M
Details

Pricing & Specifications

Prices are per million tokens. Time to First Token and throughput are rolling averages measured on AIHubMix.

Doubao Seed 2.0 Pro
Grok 4.5
Input /M
$0.4822
$2
Output /M
$2.411
$6
Cache read /M
$0.0964
$0.5
Context length
256,000
500,000
Max output
128,000
500,000
Time to First Token
7.7 s
2.8 s
Throughput
23.4 tok/s
31.5 tok/s
Modalities
textimagevideo
textimage
Supported Parameters
thinkingwebtoolsfunction callingstructured outputs
thinkingtoolsfunction callingstructured outputslong context
API Formats
Released
-
July 2026

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.

doubao-seed-2-0-progrok-4.5

Tokens / day

-

Requests / day

-

Performance Past 3 Days

Measured on real AIHubMix traffic, hourly buckets. Gaps mean no traffic in that hour.

doubao-seed-2-0-progrok-4.5

Throughput (tok/s)

-

TTFT (s)

-

Uptime (%)

-

LMArena Benchmarks

LMArena ratings by capability (Bradley-Terry, commonly called Elo). Higher is better.

Text
doubao-seed-2-0-progrok-4.5
13801420146015001540
Overall
14551471
Coding
15111523
Math
14501479
Hard prompts
14791495
Instruction following
14341466
Multi-turn
14451476
Creative writing
14031451
Longer query
14521487
Chinese
15021512
English
14621476
Vision
doubao-seed-2-0-progrok-4.5
124012801320
Overall
12591282
OCR
12701294
Diagram
12881319
Homework
12801324

Source: LMArena (arena.ai) leaderboard, imported by AIHubMix. Models without published ratings are omitted per chart.

Cost calculator

Estimate your monthly bill for the same workload on each model.

Doubao Seed 2.0 Pro
$65.10 /mo
Grok 4.5
$210 /mo

Monthly = daily × 30. Discounted rates applied where a promotion is active.

FAQ

Which is cheaper: Doubao Seed 2.0 Pro, Grok 4.5?

Doubao Seed 2.0 Pro: $2.411/M output tokens; Grok 4.5: $6/M. Use the cost calculator above to estimate your own workload.

How do their coding arena scores compare?

Grok 4.5: 1523; Doubao Seed 2.0 Pro: 1511 (LMArena coding leaderboard).

Which responds faster?

Grok 4.5: 2.8s time to first token measured on AIHubMix; see the live performance charts above for how each model behaves across the day.

How large is each context window?

Doubao Seed 2.0 Pro accepts 256,000 and Grok 4.5 accepts 500,000 input tokens. Maximum output per request is 128,000 tokens on Doubao Seed 2.0 Pro and 500,000 tokens on Grok 4.5.

Which one generates tokens faster?

Grok 4.5 at 31.5 tok/s and Doubao Seed 2.0 Pro at 23.4 tok/s, measured as output throughput on AIHubMix — a separate metric from time to first token.

What inputs and capabilities does each model support?

Doubao Seed 2.0 Pro accepts text, image and video input and supports thinking, web search, tool calling, function calling and structured outputs; Grok 4.5 accepts text and image input and supports thinking, tool calling, function calling, structured outputs and long context.

Can I call Doubao Seed 2.0 Pro and Grok 4.5 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.

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