AI Models · Paid vs Paid

GPT-5.6 Sol Paid vs GPT-4.1 Paid

GPT-5.6 Sol vs GPT-4.1 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.

Choose GPT-4.1 for the lower output price ($8/M vs $30/M). Choose GPT-5.6 Sol if you need the larger 1.1M context window.

GPT-5.6 Sol vs GPT-4.1 specs

SpecGPT-5.6 SolGPT-4.1
MakerOpenAIOpenAI
TypeProprietaryProprietary
Context window1.1M tokens1M tokens
Input price$5/M$2/M
Output price$30/M$8/M
Vision / multimodalYesYes
Tool / function callingYesYes
Self-hostableNo (API only)No (API only)
LicenseProprietaryProprietary

Feature comparison

CapabilityGPT-5.6 SolGPT-4.1
Open weights (downloadable)
Self-hostable
Runs fully offline
Vision / multimodal
Tool / function calling
1M+ context window

Benchmarks: GPT-5.6 Sol vs GPT-4.1

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

GPT-5.6 Sol
GPT-4.1
Intelligence index
58.9
19.4
Coding index
77.4
GPQA
94.1%
66.6%
Humanity's Last Exam
47.2%
4.6%
Long Context Reasoning
73.7%
61%
SciCode
56.1%
38.1%
IFBench
72.7%
43%
τ²-Bench
85.1%
47.1%
τ-Bench Banking
33%
Terminal-Bench
88%
Terminal-Bench Hard
65.9%
13.6%
Math index
34.7
MMLU-Pro
80.6%
LiveCodeBench
45.7%
MATH-500
91.3%
AIME
43.7%
AIME 2025
34.7%
Speed
71.7 tok/s
0 tok/s
Latency
56.83s
0s
Intelligence per $
5.2
5.5

Benchmark data by Artificial Analysis.

How GPT-5.6 Sol and GPT-4.1 score

🤝 Neck and neck on these criteria (3.1 vs 3.2 / 5).
CriterionGPT-5.6 SolGPT-4.1
Cost-efficiency3.03.5
Context window5.05.0
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-5.6 Sol 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-4.1 Paid

OpenAI · Proprietary

GPT-4.1 is a flagship large language model optimized for advanced instruction following, real-world software engineering, and long-context reasoning. It supports a 1 million token context window and outperforms GPT-4o and...

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-4.1 MiniGPT-4.1 Nano

Frequently asked questions

GPT-5.6 Sol vs GPT-4.1 — which is cheaper?

GPT-4.1 is cheaper on output ($8/M vs $30/M).

Which has the larger context window?

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

GPT-5.6 Sol vs GPT-4.1 — which should I pick in 2026?

Choose GPT-4.1 for the lower output price ($8/M vs $30/M). Choose GPT-5.6 Sol if you need the larger 1.1M context window.

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