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  1. Home
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Aion-2.0 vs DeepSeek V4 Pro 0423

Compare Aion-2.0 from Aion Labs and DeepSeek V4 Pro 0423 from DeepSeek on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the OpenRouter API.

Favicon for aion-labs
Aion-2.0
Favicon for deepseek
DeepSeek V4 Pro 0423
Favicon for aion-labs
Aion-2.0
Favicon for deepseek
DeepSeek V4 Pro 0423

Overview

Aion-2.0
Author
Aion Labs
DeepSeek V4 Pro 0423
Author
DeepSeek
Aion-2.0
Context length
131Ktokens
DeepSeek V4 Pro 0423
Context length
1.05Mtokens
Aion-2.0
Reasoning
DeepSeek V4 Pro 0423
Reasoning
Aion-2.0
Input modalities
DeepSeek V4 Pro 0423
Input modalities
Aion-2.0
Output modalities
DeepSeek V4 Pro 0423
Output modalities

Aion-2.0 vs DeepSeek V4 Pro 0423: side-by-side summary

Aion-2.0 and DeepSeek V4 Pro 0423 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

Aion-2.0, from Aion Labs, has a 131,072-token context window and is priced at $0.80/M tokens input, $1.60/M tokens output on OpenRouter.

DeepSeek V4 Pro 0423, from DeepSeek, has a 1,048,576-token context window and is priced at $0.45/M tokens input, $3.48/M tokens output on OpenRouter.

Context window
  • Aion-2.0: 131,072 tokens
  • DeepSeek V4 Pro 0423: 1,048,576 tokens
Price
  • Aion-2.0: $0.80/M tokens input, $1.60/M tokens output
  • DeepSeek V4 Pro 0423: $0.45/M tokens input, $3.48/M tokens output
Provided by
  • Aion-2.0: Aion Labs
  • DeepSeek V4 Pro 0423: DeepSeek
  • Aion-2.0 model details, providers and pricing
  • DeepSeek V4 Pro 0423 model details, providers and pricing

Aion-2.0 vs DeepSeek V4 Pro 0423 at a glance

Aion-2.0 vs DeepSeek V4 Pro 0423 comparison
AttributeAion-2.0DeepSeek V4 Pro 0423
Input price$0.80/M tokens$0.45/M tokens
Output price$1.60/M tokens$3.48/M tokens
Context window131,072 tokens1,048,576 tokens
Intelligence IndexNot available30.1
Coding IndexNot available58.7
Agentic IndexNot availableNot available
Latency (p50)0.79 s1.36 s
Throughput (p50)53.0 tok/s22.0 tok/s

Benchmark data updated Oct 15, 2026

Frequently asked questions

Is Aion-2.0 cheaper than DeepSeek V4 Pro 0423?

Aion-2.0 and DeepSeek V4 Pro 0423 trade off on price: Aion-2.0 costs $0.80/M tokens input and $1.60/M tokens output, while DeepSeek V4 Pro 0423 costs $0.45/M tokens input and $3.48/M tokens output, so DeepSeek V4 Pro 0423 is cheaper for input tokens and Aion-2.0 is cheaper for output tokens.

Which has the longer context window, Aion-2.0 or DeepSeek V4 Pro 0423?

DeepSeek V4 Pro 0423 has the longer context window at 1,048,576 tokens, compared with 131,072 tokens for Aion-2.0.

Which is faster, Aion-2.0 or DeepSeek V4 Pro 0423?

Aion-2.0 is faster on OpenRouter, generating a median 53.0 tokens per second compared with 22.0 tokens per second for DeepSeek V4 Pro 0423.