AI Models · Open-Source vs Paid

Reka Flash 3 Open vs KWKAT-Coder-Pro V2 Paid

Reka Flash 3 vs KAT-Coder-Pro V2 compared — price per token, context window, multimodality, openness and which to choose. Can the open-source model replace the paid one? Full 2026 breakdown.

Prices & specs refreshed from live data · olud.ai

Open-model prices = cheapest provider via OpenRouter; official maker rates may be higher.

Reka Flash 3OpenRekaai
$0.1 /M input
$0.2 /M outputNo per-token fees if you self-host
TypeOpen-weight
Context window66K tokens
MultimodalNo
Self-hostYes
KWKAT-Coder-Pro V2PaidKwaipilot
$0.3 /M input
$1.2 /M outputManaged API (no infra to run)
TypeProprietary
Context window262K tokens
MultimodalNo
Self-hostNo
Choose Reka Flash 3 if you want to self-host, keep your data private and skip per-token fees — it's open-weight and runs on your own hardware. Choose KAT-Coder-Pro V2 if you want frontier capability through a managed API with zero infrastructure to run.

Reka Flash 3 vs KAT-Coder-Pro V2 specs

SpecReka Flash 3KAT-Coder-Pro V2Winner
MakerRekaaiKwaipilot
TypeOpen-weightProprietaryReka Flash 3
Context window66K tokens262K tokensKWKAT-Coder-Pro V2
Input price$0.1/M · free self-host$0.3/MReka Flash 3
Output price$0.2/M · free self-host$1.2/MReka Flash 3
Vision / multimodalNoNo
Tool / function callingNoYesKWKAT-Coder-Pro V2
Self-hostableYesNo (API only)Reka Flash 3
LicenseOpen weightsProprietaryReka Flash 3

Price gap & when to choose each

6.0×cheaper per output token

Reka Flash 3 is ~6.0× cheaper than KAT-Coder-Pro V2 on output tokens ($0.2 vs $1.2 per M tokens).

Choose Reka Flash 3 if…
  • You want to self-host or run on your cloud
  • You prioritize data privacy & control
  • You want the lowest operating costs
  • You are building open or reproducible AI
KWChoose KAT-Coder-Pro V2 if…
  • You want frontier performance through a managed API
  • You need the longer 262K context window
  • You value reliability & ecosystem
  • You don't want to manage infrastructure

Feature comparison

CapabilityReka Flash 3KAT-Coder-Pro V2
Open weights (downloadable)
Self-hostable
Runs fully offline
Vision / multimodal
Tool / function calling
1M+ context window

Benchmarks: Reka Flash 3 vs KAT-Coder-Pro V2

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

KAT-Coder-Pro V2 delivers 2.6× more intelligence per dollar.
Reka Flash 3
KAT-Coder-Pro V2
Intelligence index
5.6
21.7
Math index
33.7
GPQA
52.9%
85.5%
MMLU-Pro
66.9%
Humanity's Last Exam
4.4%
16.1%
Long Context Reasoning
0%
73%
LiveCodeBench
43.5%
MATH-500
89.3%
AIME
51%
AIME 2025
33.7%
IFBench
30.4%
66.7%
τ²-Bench
0%
89.5%
Terminal-Bench Hard
0%
49.2%
Coding index
59.5
τ-Bench Banking
4.5%
Terminal-Bench
70%
Speed
85.9 tok/s
0 tok/s
Latency
0.88s
0s
Intelligence per $
16
41.3

Benchmark data by Artificial Analysis.

How Reka Flash 3 and KAT-Coder-Pro V2 score

🏆 Best value & openness: Reka Flash 3 (4.0 vs 2.9 / 5)
CriterionReka Flash 3KAT-Coder-Pro V2
Cost-efficiency5.04.5
Context window3.04.0
Openness5.01.5
Self-hosting5.01.0
Multimodality2.03.5

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

Reka Flash 3 Open

Rekaai · Open-weight

Reka Flash 3 is a general-purpose, instruction-tuned large language model with 21 billion parameters, developed by Reka. It excels at general chat, coding tasks, instruction-following, and function calling. Featuring a...

KAT-Coder-Pro V2 Paid

Kwaipilot · Proprietary

KAT-Coder-Pro V2 is the latest high-performance model in KwaiKAT’s KAT-Coder series, designed for complex enterprise-grade software engineering and SaaS integration. It builds on the agentic coding strengths of earlier versions,...

Other models in these families

These variants are tracked but not compared here — one page per family keeps the comparison readable.

Other variants tracked
Reka Edge

Frequently asked questions

Is Reka Flash 3 as good as KAT-Coder-Pro V2?

Reka Flash 3 is open-weight and competitive on many tasks, but KAT-Coder-Pro V2 may still lead on the hardest reasoning and agentic work. The gap keeps narrowing — benchmark both on your actual use case before deciding.

Can I run Reka Flash 3 locally?

Yes. Reka Flash 3 has open weights, so you can self-host it on your own GPUs or run it via a low-cost API. KAT-Coder-Pro V2 is API-only and cannot be self-hosted.

How much cheaper is Reka Flash 3?

Reka Flash 3 costs $0.2/M output vs $1.2/M for KAT-Coder-Pro V2 — roughly 6x cheaper via API, and free if you self-host.

Reka Flash 3 vs KAT-Coder-Pro V2 — which should I pick in 2026?

Choose Reka Flash 3 if you want to self-host, keep your data private and skip per-token fees — it's open-weight and runs on your own hardware. Choose KAT-Coder-Pro V2 if you want frontier capability through a managed API with zero infrastructure to run.

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 →