Models

ERNIE-X1.1-Preview vs ernie-4.5

Output tokens cost $0.54 per million on ERNIE-X1.1-Preview and $0.27 per million on ernie-4.5. Input tokens cost $0.14 per million on ERNIE-X1.1-Preview and $0.07 per million on ernie-4.5. Cached input tokens are billed at $0.14 per million on ERNIE-X1.1-Preview and $0.07 per million on ernie-4.5. Context lengths are 119,000 tokens on ERNIE-X1.1-Preview and 160,000 tokens on ernie-4.5. Time to first token (TTFT) measured on AIHubMix is 2.8s on ERNIE-X1.1-Preview and 0.9s on ernie-4.5. Measured output throughput is 12.7 tok/s on ERNIE-X1.1-Preview and 98.7 tok/s on ernie-4.5.

BaiduERNIE-X1.1-PreviewBaiduernie-4.5
Baidu logo
ERNIE-X1.1-Preview
Baidu · text → text

The Wenxin large model X1.1 has made significant improvements in question answering, tool invocation, intelligent agents, instruction following, logical reasoning, mathematics, and coding tasks, with notable enhancements in factual accuracy. The context length has been extended to 64K tokens, supporting longer inputs and dialogue history, which improves the coherence of long-chain reasoning while maintaining response speed.

Input$0.14 /M
Output$0.54 /M
Baidu logo
ernie-4.5
Baidu · text, image → text

Wenxin Large Model 4.5 is a next-generation native multimodal foundational model independently developed by Baidu. It achieves collaborative optimization through joint modeling of multiple modalities, demonstrating excellent multimodal understanding capabilities; it possesses more advanced language abilities, with comprehensive improvements in comprehension, generation, logic, and memory, as well as significant enhancements in hallucination reduction, logical reasoning, and coding capabilities.ERNIE-4.5-21B-A3B is an aligned open-source model with a MoE structure, having a total of 21 billion parameters and 3 billion activated parameters.

Input$0.07 /M
Output$0.27 /M

Pricing & Specifications

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

ERNIE-X1.1-Preview
ernie-4.5
Input /M
$0.14
$0.07
Output /M
$0.54
$0.27
Cache read /M
$0.14
$0.07
Context length
119,000
160,000
Max output
64,000
64,000
Time to First Token
2.8 s
0.9 s
Throughput
12.7 tok/s
98.7 tok/s
Modalities
text
textimage
Supported Parameters
thinkingtoolsfunction callingstructured outputs
toolsfunction callingstructured outputs
API Formats

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-X1.1-Previewernie-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-X1.1-Previewernie-4.5

Throughput (tok/s)

-

TTFT (s)

-

Uptime (%)

-

Cost calculator

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

ernie-4.5
$8.16 /mo
ERNIE-X1.1-Preview
$16.32 /mo

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

FAQ

Which is cheaper: ERNIE-X1.1-Preview, ernie-4.5?

ernie-4.5: $0.27/M output tokens; ERNIE-X1.1-Preview: $0.54/M. Use the cost calculator above to estimate your own workload.

Which responds faster?

ernie-4.5: 0.9s 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?

ERNIE-X1.1-Preview accepts 119,000 and ernie-4.5 accepts 160,000 input tokens. Maximum output per request is 64,000 tokens on ERNIE-X1.1-Preview and 64,000 tokens on ernie-4.5.

Which one generates tokens faster?

ernie-4.5 at 98.7 tok/s and ERNIE-X1.1-Preview at 12.7 tok/s, measured as output throughput on AIHubMix — a separate metric from time to first token.

What inputs and capabilities does each model support?

ERNIE-X1.1-Preview accepts text input and supports thinking, tool calling, function calling and structured outputs; ernie-4.5 accepts text and image input and supports tool calling, function calling and structured outputs.

Can I call ERNIE-X1.1-Preview and ernie-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.

Popular comparisons

Related model match-ups readers also look at.