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Model comparison

Aion-2.0 vs Claude 3 Opus

Data verified

Head-to-head evidence from 0 shared benchmark results across 0 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.

No sourced benchmark result is currently shared by both models. This page therefore compares only the available metadata, pricing, and runtime rows; it does not name a quality winner.
Aion Labs
N/A
No comparison
Anthropic
40.32/100
0 category wins0 category wins

Public leaderboard positions: Aion-2.0 #130 (Estimated); Claude 3 Opus #176 (Supported). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.

Evidence parity. Aion-2.0 and Claude 3 Opus share 0 comparable benchmark results. 0 of 8 categories are comparable. 0 results are unique to Aion-2.0; 5 to Claude 3 Opus.

Updated July 28, 2026
Shared results
0
Aion-2.0 only
0
Claude 3 Opus only
5
Comparable categories
0 / 8

Benchmark data for Aion-2.0 and Claude 3 Opus is coming soon on BenchLM.

Confidence note. This is a partial-evidence comparison with 0 shared benchmark results across 0 evidence categories; 0 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.

Why this result

BenchLM does not have sourced benchmark coverage for Aion-2.0 yet. This comparison is currently limited to metadata such as context window, reasoning mode, and pricing where available.

Claude 3 Opus is priced at $15.00 input / $75.00 output per 1M tokens, versus $0.80 input / $1.60 output per 1M tokens for Aion-2.0. Claude 3 Opus has the larger context window at 200K, compared with 128K for Aion-2.0.

Operational comparison

Runtime and commercial metrics are compared only when both models have a complete sourced value.

MetricAion-2.0Claude 3 OpusComparison
Input / output priceUSD per 1M tokensAion-2.0$0.8 input / $1.6 outputClaude 3 Opus$15 input / $75 outputAion-2.0 has the lower combined listed price.
Generation speedtokens per secondAion-2.0Not availableClaude 3 OpusNot availableA complete speed comparison is not available.
First-answer latencyseconds to first tokenAion-2.0Not availableClaude 3 OpusNot availableA complete latency comparison is not available.
Context windowmaximum listed tokensAion-2.0128KClaude 3 Opus200KClaude 3 Opus lists the larger context window.

Benchmark Deep Dive

Coding
BenchmarkAion-2.0Claude 3 OpusResult
AA Coding IndexSource 19.5%Not comparable
AA-SciCodeSource 23.3%Not comparable
Knowledge
BenchmarkAion-2.0Claude 3 OpusResult
Artificial Analysis Intelligence IndexSource 11.8%Not comparable
AA-GPQA DiamondSource 48.9%Not comparable
AA-HLESource 3.1%Not comparable
Frequently Asked Questions (3)

Can I compare Aion-2.0 and Claude 3 Opus on BenchLM yet?

Not fully yet. BenchLM is tracking both models, but the sourced benchmark breakdown for this comparison is still coming soon.

Why does this comparison show “coming soon”?

BenchLM only shows category winners and benchmark-level calls when we have sourced results that can be compared fairly. For these models, the public benchmark coverage is not complete enough yet.

What data is available for Aion-2.0 and Claude 3 Opus today?

Aion-2.0: $0.80 input / $1.60 output per 1M tokens Claude 3 Opus: $15.00 input / $75.00 output per 1M tokens Both model pages still include creator, context window, reasoning mode, and other metadata while benchmark coverage fills in.

Related Comparisons

Last updated: July 28, 2026

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