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ERNIE 5.0 Thinking Exp vs Grok 4.5

Compare ERNIE 5.0 Thinking Exp from Baidu 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.

BaiduERNIE 5.0 Thinking ExpGrokGrok 4.5
+ Add model · 2/4
Baidu logo
ERNIE 5.0 Thinking Exp
Baidu · text, image → text

ERNIE 5.0 is the next-generation natively multimodal foundation model in the ERNIE family. Built on a unified multimodal architecture, it jointly learns from text, images, audio, and video to deliver broad multimodal capabilities. ERNIE 5.0 features significantly upgraded core capabilities and shows strong performance across benchmarks, with notable gains in multimodal understanding, instruction following, creative writing, factual accuracy, and agent planning with tool use.

Input$0.82 /M
Output$3.29 /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$2.00 /M
Output$6.00 /M
Details

Pricing & Specifications

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

ERNIE 5.0 Thinking Exp
Grok 4.5
Input /M
$0.82
$2.00
Output /M
$3.29
$6.00
Cache read /M
$0.82
$0.50
Context length
119,000
500,000
Max output
64,000
500,000
Time to First Token
-
1.5 s
Throughput
-
25.6 tok/s
Modalities
textimage
textimage
Supported Parameters
thinking
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.

ernie-5.0-thinking-expgrok-4.5

Tokens / day

-

Requests / day

-

Performance Past 3 Days

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

ernie-5.0-thinking-expgrok-4.5

Throughput (tok/s)

-

TTFT (s)

-

Uptime (%)

-

LMArena Benchmarks

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

Text
ernie-5.0-thinking-expgrok-4.5
1400144014801520
Overall
14471470
Coding
14911523
Math
14381478
Hard prompts
14651495
Instruction following
14271466
Multi-turn
14411477
Creative writing
14231449
Longer query
14401485
Chinese
14961511
English
14511475

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.

ERNIE 5.0 Thinking Exp
$98.63 /mo
Grok 4.5
$210 /mo

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

FAQ

Which is cheaper: ERNIE 5.0 Thinking Exp, Grok 4.5?

ERNIE 5.0 Thinking Exp: $3.29/M output tokens; Grok 4.5: $6.00/M. Use the cost calculator above to estimate your own workload.

How do their coding arena scores compare?

Grok 4.5: 1523; ERNIE 5.0 Thinking Exp: 1491 (LMArena coding leaderboard).

How large is each context window?

ERNIE 5.0 Thinking Exp accepts 119,000 and Grok 4.5 accepts 500,000 input tokens. Maximum output per request is 64,000 tokens on ERNIE 5.0 Thinking Exp and 500,000 tokens on Grok 4.5.

What inputs and capabilities does each model support?

ERNIE 5.0 Thinking Exp accepts text and image input and supports thinking; Grok 4.5 accepts text and image input and supports thinking, tool calling, function calling, structured outputs and long context.

Can I call ERNIE 5.0 Thinking Exp 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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