AI Models · Paid vs Paid

GPT-5.6 Sol (batch) Paid vs AIAion-RP 1.0 (8B) Paid

GPT-5.6 Sol (batch) vs Aion-RP 1.0 (8B) compared — price per token, context window, multimodality, openness and which to choose. Full 2026 breakdown.

Prices & specs refreshed from live data · olud.ai

Open-model prices = cheapest provider via OpenRouter; official maker rates may be higher.

GPT-5.6 Sol (batch)PaidOpenAI
$1 /M input
$5 /M outputManaged API (no infra to run)
TypeProprietary
Context window1.1M tokens
MultimodalYes
Self-hostNo
AIAion-RP 1.0 (8B)PaidAionLabs
$0.8 /M input
$1.6 /M outputManaged API (no infra to run)
TypeProprietary
Context window33K tokens
MultimodalNo
Self-hostNo
Choose Aion-RP 1.0 (8B) for the lower output price ($1.6/M vs $5/M). Choose GPT-5.6 Sol (batch) if you need the larger 1.1M context window.

GPT-5.6 Sol (batch) vs Aion-RP 1.0 (8B) specs

SpecGPT-5.6 Sol (batch)Aion-RP 1.0 (8B)Winner
MakerOpenAIAionLabs
TypeProprietaryProprietary
Context window1.1M tokens33K tokensGPT-5.6 Sol (batch)
Input price$1/M$0.8/MAIAion-RP 1.0 (8B)
Output price$5/M$1.6/MAIAion-RP 1.0 (8B)
Vision / multimodalYesNoGPT-5.6 Sol (batch)
Tool / function callingYesNoGPT-5.6 Sol (batch)
Self-hostableNo (API only)No (API only)
LicenseProprietaryProprietary

Price gap & when to choose each

3.1×cheaper per output token

Aion-RP 1.0 (8B) is ~3.1× cheaper than GPT-5.6 Sol (batch) on output tokens ($1.6 vs $5 per M tokens).

Choose GPT-5.6 Sol (batch) if…
  • You want frontier performance through a managed API
  • You need the longer 1.1M context window
  • You value reliability & ecosystem
  • You don't want to manage infrastructure
AIChoose Aion-RP 1.0 (8B) if…
  • You want frontier performance through a managed API
  • You want the lower output price
  • You value reliability & ecosystem
  • You don't want to manage infrastructure

Feature comparison

CapabilityGPT-5.6 Sol (batch)Aion-RP 1.0 (8B)
Open weights (downloadable)
Self-hostable
Runs fully offline
Vision / multimodal
Tool / function calling
1M+ context window

Benchmarks: GPT-5.6 Sol (batch) vs Aion-RP 1.0 (8B)

Independent benchmark scores measured by Artificial Analysis. Higher is better (except latency).

GPT-5.6 Sol (batch)
Aion-RP 1.0 (8B)
Intelligence index
47.1
Coding index
77.4
GPQA
94.1%
Humanity's Last Exam
49.5%
Long Context Reasoning
84%
SciCode
57.1%
IFBench
72.7%
τ²-Bench
85.1%
τ-Bench Banking
44.3%
Terminal-Bench
88%
Terminal-Bench Hard
65.9%
Speed
68.7 tok/s
Latency
124.83s
Intelligence per $
5.9

Benchmark data by Artificial Analysis.

How GPT-5.6 Sol (batch) and Aion-RP 1.0 (8B) score

🏆 Best value & openness: GPT-5.6 Sol (batch) (3.3 vs 2.3 / 5)
CriterionGPT-5.6 Sol (batch)Aion-RP 1.0 (8B)
Cost-efficiency4.04.5
Context window5.02.5
Openness1.51.5
Self-hosting1.01.0
Multimodality5.02.0

Scores come from live data — output price (cost), context length, open vs closed weights (openness & self-hosting) and vision/tool support (multimodality). Raw task quality isn't scored here; it depends on your benchmark — see the verdict.

What each model is

GPT-5.6 Sol (batch) Paid

OpenAI · Proprietary

GPT-5.6 Sol is the flagship model in OpenAI's GPT-5.6 series. It is suited for complex reasoning, coding, and agentic workflows, and is particularly strong at command-line and multi-step coding tasks...

Aion-RP 1.0 (8B) Paid

AionLabs · Proprietary

Aion-RP-Llama-3.1-8B ranks the highest in the character evaluation portion of the RPBench-Auto benchmark, a roleplaying-specific variant of Arena-Hard-Auto, where LLMs evaluate each other’s responses. It is a fine-tuned base model...

Other models in these families

These variants are tracked but not compared here — one page per family keeps the comparison readable.

Other variants tracked
GPT-5.6 Terra (batch)GPT-5.4GPT-5.4 (batch)GPT-5.5GPT-5.5 (batch)GPT-5.6 Luna (batch)GPT-5.3-CodexGPT-5.2GPT-5.2 (batch)GPT-5.2-CodexGPT-5.1GPT-5.1 (batch)GPT-5.1-CodexGPT-5GPT-5 (batch)GPT-5.5 ProGPT-5.4 ProGPT-5.2 ProGPT-5 ProGPT-5.5 Pro (batch)GPT-5.4 Pro (batch)GPT-5.2 Pro (batch)GPT-5 Pro (batch)GPT-5.4 Image 2GPT-5.6 Terra ProGPT-5.6 Sol ProGPT-5.1-Codex-MaxGPT-5 ImageGPT-5.6 Terra Pro (batch)GPT-5.6 Sol Pro (batch)GPT-5.6 Luna ProGPT-5.6 Luna Pro (batch)

Frequently asked questions

GPT-5.6 Sol (batch) vs Aion-RP 1.0 (8B) — which is cheaper?

Aion-RP 1.0 (8B) is cheaper on output ($1.6/M vs $5/M).

Which has the larger context window?

GPT-5.6 Sol (batch) offers the larger context window (1.1M tokens).

GPT-5.6 Sol (batch) vs Aion-RP 1.0 (8B) — which should I pick in 2026?

Choose Aion-RP 1.0 (8B) for the lower output price ($1.6/M vs $5/M). Choose GPT-5.6 Sol (batch) if you need the larger 1.1M context window.

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