AI Models · Paid vs Paid

GPT-6 Astra (batch) Paid vs GPT-3.5 Turbo Paid

GPT-6 Astra (batch) vs GPT-3.5 Turbo 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 (batch)PaidOpenAI
$5 /M input
$25 /M outputManaged API (no infra to run)
TypeProprietary
Context window1.1M tokens
MultimodalYes
Self-hostNo
GPT-3.5 TurboPaidOpenAI
$0.5 /M input
$1.5 /M outputManaged API (no infra to run)
TypeProprietary
Context window16K tokens
MultimodalNo
Self-hostNo
Choose GPT-3.5 Turbo for the lower output price ($1.5/M vs $25/M). Choose GPT-6 Astra (batch) if you need the larger 1.1M context window.

GPT-6 Astra (batch) vs GPT-3.5 Turbo specs

SpecGPT-6 Astra (batch)GPT-3.5 TurboWinner
MakerOpenAIOpenAI
TypeProprietaryProprietary
Context window1.1M tokens16K tokensGPT-6 Astra (batch)
Input price$5/M$0.5/MGPT-3.5 Turbo
Output price$25/M$1.5/MGPT-3.5 Turbo
Vision / multimodalYesNoGPT-6 Astra (batch)
Tool / function callingYesYes= Tie
Self-hostableNo (API only)No (API only)
LicenseProprietaryProprietary

Price gap & when to choose each

17×cheaper per output token

GPT-3.5 Turbo is ~17× cheaper than GPT-6 Astra (batch) on output tokens ($1.5 vs $25 per M tokens).

Choose GPT-6 Astra (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
Choose GPT-3.5 Turbo 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 (batch)GPT-3.5 Turbo
Open weights (downloadable)
Self-hostable
Runs fully offline
Vision / multimodal
Tool / function calling
1M+ context window

Benchmarks: GPT-6 Astra (batch) vs GPT-3.5 Turbo

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

GPT-3.5 Turbo delivers 2.8× more intelligence per dollar.
GPT-6 Astra (batch)
GPT-3.5 Turbo
Intelligence index
52.8
5.5
Coding index
76.9
10.7
GPQA
96.1%
29.7%
Humanity's Last Exam
54.7%
Long Context Reasoning
80.7%
SciCode
56.5%
τ-Bench Banking
41.4%
Terminal-Bench
88.4%
MMLU-Pro
46.2%
MATH-500
44.1%
Speed
64.2 tok/s
0 tok/s
Latency
215.68s
0s
Intelligence per $
2.6
7.3

Benchmark data by Artificial Analysis.

How GPT-6 Astra (batch) and GPT-3.5 Turbo score

🏆 Best value & openness: GPT-6 Astra (batch) (3.1 vs 2.5 / 5)
CriterionGPT-6 Astra (batch)GPT-3.5 Turbo
Cost-efficiency3.04.5
Context window5.02.0
Openness1.51.5
Self-hosting1.01.0
Multimodality5.03.5

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 (batch) Paid

OpenAI · Proprietary

GPT-6 Astra is OpenAI's flagship model for demanding end-to-end work. It is suited for advanced analysis, software engineering, deep research, scientific work, and document creation, with particular strengths in long-horizon...

GPT-3.5 Turbo Paid

OpenAI · Proprietary

GPT-3.5 Turbo is OpenAI's fastest model. It can understand and generate natural language or code, and is optimized for chat and traditional completion tasks. Training data up to Sep 2021.

Frequently asked questions

GPT-6 Astra (batch) vs GPT-3.5 Turbo — which is cheaper?

GPT-3.5 Turbo is cheaper on output ($1.5/M vs $25/M).

Which has the larger context window?

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

GPT-6 Astra (batch) vs GPT-3.5 Turbo — which should I pick in 2026?

Choose GPT-3.5 Turbo for the lower output price ($1.5/M vs $25/M). Choose GPT-6 Astra (batch) if you need the larger 1.1M context window.

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