Head-to-head · multimodal vs multimodal

ERNIE 4.5 Reasoning vs Mistral Large 3: which model should you choose?

We compared ERNIE 4.5 Reasoning and Mistral Large 3 on price, context window and 12 benchmarks. Mistral Large 3 has the stronger average benchmark score; Mistral Large 3 is cheaper on a blended 3:1 basis.

Baidu

ERNIE 4.5 Reasoning

ERNIE 4.5 Reasoning is a multimodal model from Baidu. It offers a 1,000,000-token context window, costs $14.36 per million input tokens and $78.75 per million output tokens, and averages 79.8 across the index's benchmark suite.

Input
$14.36 / 1M
Output
$78.75 / 1M
Context
1,000,000
Avg score
79.8
Open weights
No
Full ERNIE 4.5 Reasoning page
Mistral AI

Mistral Large 3

Mistral Large 3 is a multimodal model from Mistral AI. It offers a 128,000-token context window, costs $5.41 per million input tokens and $23.83 per million output tokens, and averages 81.7 across the index's benchmark suite.

Input
$5.41 / 1M
Output
$23.83 / 1M
Context
128,000
Avg score
81.7
Open weights
Yes
Full Mistral Large 3 page

Specification comparison

SpecERNIE 4.5 ReasoningMistral Large 3Edge
Input price / 1M$14.36$5.41B
Output price / 1M$78.75$23.83B
Context window1,000,000128,000A
Max output8,1924,096A
Average score79.881.7B
Arena Elo1421.51448.6B
Open weightsNoYesB

Benchmark comparison

ERNIE 4.5 Reasoning wins 0, Mistral Large 3 wins 12, and 0 benchmarks are tied. The table shows the modelled score for each model and the gap.

BenchmarkERNIE 4.5 ReasoningMistral Large 3GapWinner
MMLU-Pro80.684.64.0Mistral Large 3
GPQA Diamond75.779.63.9Mistral Large 3
SWE-bench Verified69.871.31.5Mistral Large 3
HumanEval85.088.63.6Mistral Large 3
MATH-50082.584.11.6Mistral Large 3
AIME 202578.178.30.2Mistral Large 3
LiveCodeBench71.974.42.5Mistral Large 3
IFEval88.789.81.1Mistral Large 3
TruthfulQA82.983.70.8Mistral Large 3
HellaSwag88.088.20.2Mistral Large 3
MMMU74.476.21.8Mistral Large 3
Arena Elo1421.51448.627.1Mistral Large 3

Price analysis

On a blended 3:1 input-to-output basis, ERNIE 4.5 Reasoning costs about $30.46 per million tokens and Mistral Large 3 costs about $10.02. Mistral Large 3 is roughly 67% cheaper than ERNIE 4.5 Reasoning. At high volume, that gap compounds quickly, so price should carry real weight unless the quality difference is decisive.

ERNIE 4.5 Reasoning has the larger context window at 1,000,000 tokens, compared with 128,000 for Mistral Large 3. That matters for long documents, large codebases and multi-step agent traces.

Verdict

Across 12 shared benchmarks, ERNIE 4.5 Reasoning wins 0, Mistral Large 3 wins 12, and 0 are tied. On the index average, Mistral Large 3 leads ERNIE 4.5 Reasoning by 1.9 points (81.7 versus 79.8).

The price picture favours Mistral Large 3. The context picture favours ERNIE 4.5 Reasoning. Those two dimensions often matter more than a few benchmark points once a model is good enough for the task.

If you need a single default, start with Mistral Large 3 for quality-sensitive work, and check whether its price holds at your expected volume before committing.

Choose ERNIE 4.5 Reasoning if

  • You need the larger 1,000,000-token context window.
  • You need the larger 8,192-token output limit.
  • The workload needs multi-step reasoning.

Choose Mistral Large 3 if

  • You want the higher average benchmark score in this index.
  • Unit cost matters and you want the cheaper blended price.
  • You need open weights for self-hosting or fine-tuning.

FAQ

Is ERNIE 4.5 Reasoning better than Mistral Large 3?

On the index average, Mistral Large 3 leads ERNIE 4.5 Reasoning by 1.9 points (81.7 versus 79.8). The better choice depends on price, context and your task. ERNIE 4.5 Reasoning wins 0 benchmarks, Mistral Large 3 wins 12.

Which is cheaper, ERNIE 4.5 Reasoning or Mistral Large 3?

Mistral Large 3 is cheaper on a blended 3:1 basis at about $10.02 per million tokens, versus $30.46 for ERNIE 4.5 Reasoning.

Which has the larger context window?

ERNIE 4.5 Reasoning has the larger context window at 1,000,000 tokens. Mistral Large 3 has 128,000 tokens.

Are these models open weights?

ERNIE 4.5 Reasoning is proprietary; Mistral Large 3 is open weights.

Which should I choose for production?

If you need a single default, start with Mistral Large 3 for quality-sensitive work, and check whether its price holds at your expected volume before committing.

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