AI Models · Paid vs Paid

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

GPT-5.6 Terra 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 TerraPaidOpenAI
$2 /M input
$12 /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 $12/M). Choose GPT-5.6 Terra if you need the larger 1.1M context window.

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

SpecGPT-5.6 TerraAion-RP 1.0 (8B)Winner
MakerOpenAIAionLabs
TypeProprietaryProprietary
Context window1.1M tokens33K tokensGPT-5.6 Terra
Input price$2/M$0.8/MAIAion-RP 1.0 (8B)
Output price$12/M$1.6/MAIAion-RP 1.0 (8B)
Vision / multimodalYesNoGPT-5.6 Terra
Tool / function callingYesNoGPT-5.6 Terra
Self-hostableNo (API only)No (API only)
LicenseProprietaryProprietary

Price gap & when to choose each

7.5×cheaper per output token

Aion-RP 1.0 (8B) is ~7.5× cheaper than GPT-5.6 Terra on output tokens ($1.6 vs $12 per M tokens).

Choose GPT-5.6 Terra 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 TerraAion-RP 1.0 (8B)
Open weights (downloadable)
Self-hostable
Runs fully offline
Vision / multimodal
Tool / function calling
1M+ context window

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

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

GPT-5.6 Terra
Aion-RP 1.0 (8B)
Intelligence index
42.3
Coding index
76.7
GPQA
92.5%
Humanity's Last Exam
42.9%
Long Context Reasoning
83%
SciCode
55%
IFBench
71.2%
τ²-Bench
86.3%
τ-Bench Banking
40.2%
Terminal-Bench
88%
Terminal-Bench Hard
57.6%
Speed
115.5 tok/s
Latency
107.22s
Intelligence per $
9.4

Benchmark data by Artificial Analysis.

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

🏆 Best value & openness: GPT-5.6 Terra (3.2 vs 2.3 / 5)
CriterionGPT-5.6 TerraAion-RP 1.0 (8B)
Cost-efficiency3.54.5
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 Terra Paid

OpenAI · Proprietary

GPT-5.6 Terra is a balanced model in OpenAI's GPT-5.6 series, positioned between the flagship Sol tier and the cost-efficient Luna tier. It is suited for everyday coding, reasoning, and agentic...

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...

Frequently asked questions

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

Aion-RP 1.0 (8B) is cheaper on output ($1.6/M vs $12/M).

Which has the larger context window?

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

GPT-5.6 Terra 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 $12/M). Choose GPT-5.6 Terra if you need the larger 1.1M context window.

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