AI Models · Paid vs Paid

GPT-6 Astra Pro Paid vs GPT-5 Mini Paid

GPT-6 Astra Pro vs GPT-5 Mini 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-6 Astra ProPaidOpenAI
$10 /M input
$50 /M outputManaged API (no infra to run)
TypeProprietary
Context window1.1M tokens
MultimodalYes
Self-hostNo
GPT-5 MiniPaidOpenAI
$0.25 /M input
$2 /M outputManaged API (no infra to run)
TypeProprietary
Context window400K tokens
MultimodalYes
Self-hostNo
Choose GPT-5 Mini for the lower output price ($2/M vs $50/M). Choose GPT-6 Astra Pro if you need the larger 1.1M context window.

GPT-6 Astra Pro vs GPT-5 Mini specs

SpecGPT-6 Astra ProGPT-5 MiniWinner
MakerOpenAIOpenAI
TypeProprietaryProprietary
Context window1.1M tokens400K tokensGPT-6 Astra Pro
Input price$10/M$0.25/MGPT-5 Mini
Output price$50/M$2/MGPT-5 Mini
Vision / multimodalYesYes= Tie
Tool / function callingYesYes= Tie
Self-hostableNo (API only)No (API only)
LicenseProprietaryProprietary

Price gap & when to choose each

25×cheaper per output token

GPT-5 Mini is ~25× cheaper than GPT-6 Astra Pro on output tokens ($2 vs $50 per M tokens).

Choose GPT-6 Astra Pro 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
Choose GPT-5 Mini 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-6 Astra ProGPT-5 Mini
Open weights (downloadable)
Self-hostable
Runs fully offline
Vision / multimodal
Tool / function calling
1M+ context window

Benchmarks: GPT-6 Astra Pro vs GPT-5 Mini

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

GPT-6 Astra Pro
GPT-5 Mini
Intelligence index
20.6
Math index
85
GPQA
80.3%
MMLU-Pro
82.8%
Humanity's Last Exam
15.9%
Long Context Reasoning
72.3%
LiveCodeBench
69.2%
AIME 2025
85%
IFBench
71.2%
τ²-Bench
71.1%
Terminal-Bench Hard
28.8%
Speed
0 tok/s
Latency
0s
Intelligence per $
29.9

Benchmark data by Artificial Analysis.

How GPT-6 Astra Pro and GPT-5 Mini score

🏆 Best value & openness: GPT-5 Mini (3.3 vs 2.9 / 5)
CriterionGPT-6 Astra ProGPT-5 Mini
Cost-efficiency2.04.5
Context window5.04.5
Openness1.51.5
Self-hosting1.01.0
Multimodality5.05.0

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-6 Astra Pro Paid

OpenAI · Proprietary

GPT-6 Astra Pro is the same underlying model as [GPT-6 Astra](https://openrouter.ai/openai/gpt-6-astra), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks. Learn more in OpenAI's docs: https://develope

GPT-5 Mini Paid

OpenAI · Proprietary

GPT-5 Mini is a compact version of GPT-5, designed to handle lighter-weight reasoning tasks. It provides the same instruction-following and safety-tuning benefits as GPT-5, but with reduced latency and cost....

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-5.4 MiniGPT-5.4 Mini (batch)GPT-5 Mini (batch)GPT-5.1-Codex-MiniGPT-5 Image Mini

Frequently asked questions

GPT-6 Astra Pro vs GPT-5 Mini — which is cheaper?

GPT-5 Mini is cheaper on output ($2/M vs $50/M).

Which has the larger context window?

GPT-6 Astra Pro offers the larger context window (1.1M tokens).

GPT-6 Astra Pro vs GPT-5 Mini — which should I pick in 2026?

Choose GPT-5 Mini for the lower output price ($2/M vs $50/M). Choose GPT-6 Astra Pro if you need the larger 1.1M context window.

People also compare

Explore more open-source AI

Browse the full open-source model leaderboard, thousands of tools and live benchmarks — all in one place.

Open the leaderboard →