AI Models · Paid vs Paid

GPT-5.6 Sol (batch) Paid vs KWKAT-Coder-Pro V2.5 Paid

GPT-5.6 Sol (batch) vs KAT-Coder-Pro V2.5 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
KWKAT-Coder-Pro V2.5PaidKwaipilot
$0.74 /M input
$2.96 /M outputManaged API (no infra to run)
TypeProprietary
Context window262K tokens
MultimodalNo
Self-hostNo
Choose KAT-Coder-Pro V2.5 for the lower output price ($2.96/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 KAT-Coder-Pro V2.5 specs

SpecGPT-5.6 Sol (batch)KAT-Coder-Pro V2.5Winner
MakerOpenAIKwaipilot
TypeProprietaryProprietary
Context window1.1M tokens262K tokensGPT-5.6 Sol (batch)
Input price$1/M$0.74/MKWKAT-Coder-Pro V2.5
Output price$5/M$2.96/MKWKAT-Coder-Pro V2.5
Vision / multimodalYesNoGPT-5.6 Sol (batch)
Tool / function callingYesYes= Tie
Self-hostableNo (API only)No (API only)
LicenseProprietaryProprietary

Price gap & when to choose each

1.7×cheaper per output token

KAT-Coder-Pro V2.5 is ~1.7× cheaper than GPT-5.6 Sol (batch) on output tokens ($2.96 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
KWChoose KAT-Coder-Pro V2.5 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)KAT-Coder-Pro V2.5
Open weights (downloadable)
Self-hostable
Runs fully offline
Vision / multimodal
Tool / function calling
1M+ context window

Benchmarks: GPT-5.6 Sol (batch) vs KAT-Coder-Pro V2.5

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

GPT-5.6 Sol (batch)
KAT-Coder-Pro V2.5
Intelligence index
47.1
Coding index
77.4
GPQA
94.1%
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%
Speed
68.7 tok/s
Latency
124.83s
Intelligence per $
5.9

Benchmark data by Artificial Analysis.

How GPT-5.6 Sol (batch) and KAT-Coder-Pro V2.5 score

🏆 Best value & openness: GPT-5.6 Sol (batch) (3.3 vs 2.9 / 5)
CriterionGPT-5.6 Sol (batch)KAT-Coder-Pro V2.5
Cost-efficiency4.04.5
Context window5.04.0
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...

KAT-Coder-Pro V2.5 Paid

Kwaipilot · Proprietary

KAT-Coder-Pro V2.5 is a flagship-level Agentic Coding model that can directly hand over an entire issue or an entire business workflow to it, allowing it to autonomously locate and make...

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 KAT-Coder-Pro V2.5 — which is cheaper?

KAT-Coder-Pro V2.5 is cheaper on output ($2.96/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 KAT-Coder-Pro V2.5 — which should I pick in 2026?

Choose KAT-Coder-Pro V2.5 for the lower output price ($2.96/M vs $5/M). Choose GPT-5.6 Sol (batch) if you need the larger 1.1M context window.

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