AI Models · Paid vs Paid

GPT-5.6 Sol (batch) Paid vs GPT-3.5 Turbo (older v0613) Paid

GPT-5.6 Sol (batch) vs GPT-3.5 Turbo (older v0613) 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
GPT-3.5 Turbo (older v0613)PaidOpenAI
$1 /M input
$2 /M outputManaged API (no infra to run)
TypeProprietary
Context window4K tokens
MultimodalNo
Self-hostNo
Choose GPT-3.5 Turbo (older v0613) for the lower output price ($2/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 GPT-3.5 Turbo (older v0613) specs

SpecGPT-5.6 Sol (batch)GPT-3.5 Turbo (older v0613)Winner
MakerOpenAIOpenAI
TypeProprietaryProprietary
Context window1.1M tokens4K tokensGPT-5.6 Sol (batch)
Input price$1/M$1/M= Tie
Output price$5/M$2/MGPT-3.5 Turbo (older v0613)
Vision / multimodalYesNoGPT-5.6 Sol (batch)
Tool / function callingYesYes= Tie
Self-hostableNo (API only)No (API only)
LicenseProprietaryProprietary

Price gap & when to choose each

2.5×cheaper per output token

GPT-3.5 Turbo (older v0613) is ~2.5× cheaper than GPT-5.6 Sol (batch) on output tokens ($2 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
Choose GPT-3.5 Turbo (older v0613) 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)GPT-3.5 Turbo (older v0613)
Open weights (downloadable)
Self-hostable
Runs fully offline
Vision / multimodal
Tool / function calling
1M+ context window

Benchmarks: GPT-5.6 Sol (batch) vs GPT-3.5 Turbo (older v0613)

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

GPT-5.6 Sol (batch)
GPT-3.5 Turbo (older v0613)
Intelligence index
47.1
5.5
Coding index
77.4
10.7
GPQA
94.1%
29.7%
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%
MMLU-Pro
46.2%
MATH-500
44.1%
Speed
68.7 tok/s
0 tok/s
Latency
124.83s
0s
Intelligence per $
5.9
7.3

Benchmark data by Artificial Analysis.

How GPT-5.6 Sol (batch) and GPT-3.5 Turbo (older v0613) score

🏆 Best value & openness: GPT-5.6 Sol (batch) (3.3 vs 2.5 / 5)
CriterionGPT-5.6 Sol (batch)GPT-3.5 Turbo (older v0613)
Cost-efficiency4.04.5
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-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...

GPT-3.5 Turbo (older v0613) 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.

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 GPT-3.5 Turbo (older v0613) — which is cheaper?

GPT-3.5 Turbo (older v0613) is cheaper on output ($2/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 GPT-3.5 Turbo (older v0613) — which should I pick in 2026?

Choose GPT-3.5 Turbo (older v0613) for the lower output price ($2/M vs $5/M). Choose GPT-5.6 Sol (batch) if you need the larger 1.1M context window.

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