Kling v2 vs InternVL 2.5 78B

Compare Kling v2 and InternVL 2.5 78B: pricing, performance, context window, latency, and best use cases. Side-by-side comparison on XALEN.

Updated 2026-05-21 · By Abhishek Raj · Our methodology

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Feature Kling v2 InternVL 2.5 78B
CategoryVideoVision
Parameters~10B78B
Context WindowN/A128K
Input Price$0.20/video/1M tokens$0.05/1M tokens
Output PriceN/A/1M tokens$0.10/1M tokens
Latency~30s~400ms

Choose Kling v2 when:

  • ✓ Marketing videos
  • ✓ Product demos
  • ✓ Social media
Key Strengths:

High quality, Good motion, Realistic

Choose InternVL 2.5 78B when:

  • ✓ Document analysis
  • ✓ Chart reading
  • ✓ Visual Q&A
Key Strengths:

Strong visual reasoning, Open weights, Good OCR

Verdict: Kling v2 vs InternVL 2.5 78B

For cost efficiency, InternVL 2.5 78B wins at $0.05/1M input tokens. For speed, Kling v2 is faster at ~30s. Kling v2 excels at Marketing videos while InternVL 2.5 78B is better for Document analysis. Both are available on XALEN through a single API — try them in the Playground to see which fits your workload.

Detailed Analysis

Pricing Comparison

Kling v2 costs $0.20/video/1M input tokens and N/A/1M output tokens. InternVL 2.5 78B costs $0.05 input and $0.10 output. InternVL 2.5 78B is 4.0x cheaper on input tokens. XALEN offers batch processing at 50% discount on both models.

Performance & Context

Kling v2 has a N/A context window with ~30s latency. InternVL 2.5 78B offers 128K context at ~400ms. InternVL 2.5 78B has the larger context window.

Best For

Kling v2 (Video) is optimized for: Marketing videos, Product demos, Social media. InternVL 2.5 78B (Vision) works best for: Document analysis, Chart reading, Visual Q&A.

Try Both on XALEN

Both models are available through XALEN's OpenAI-compatible API. Switch between them by changing the model parameter:

from xalen import XALEN

client = XALEN(api_key="xln_test_YOUR_KEY")

# Use Kling v2
response_a = client.chat.completions.create(
    model="kling-v2",
    messages=[{"role": "user", "content": "Your question here"}]
)

# Use InternVL 2.5 78B
response_b = client.chat.completions.create(
    model="internvl-2-5-78b",
    messages=[{"role": "user", "content": "Your question here"}]
)

Start Building with XALEN

200+ AI models. One API. Pay-as-you-go.

Get API Key Try in Playground

Frequently Asked Questions

Which is better, Kling v2 or InternVL 2.5 78B?

Kling v2 (Video, ~10B) offers High quality. InternVL 2.5 78B (Vision, 78B) offers Strong visual reasoning. Choose Kling v2 for Marketing videos or InternVL 2.5 78B for Document analysis.

How much does Kling v2 cost vs InternVL 2.5 78B?

Kling v2: $0.20/video/1M input, N/A/1M output. InternVL 2.5 78B: $0.05/1M input, $0.10/1M output. Both available on XALEN with batch processing at 50% discount.

Can I use both models on XALEN?

Yes. XALEN provides 200+ models through a single OpenAI-compatible API. Switch between Kling v2 and InternVL 2.5 78B by changing the model parameter. No code changes needed.

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Last updated: 2026-05-21. Pricing and specifications may change. Check pricing page for latest rates.