Solar Pro vs PlayHT 3.0

Compare Solar Pro and PlayHT 3.0: pricing, performance, context window, latency, and best use cases. Side-by-side comparison on XALEN.

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

All Upstage models All PlayHT models What is an LLM API? Python Quickstart What is inference?
Feature Solar Pro PlayHT 3.0
CategoryOpen SourceSpeech
Parameters22BGenerative
Context Window32KN/A
Input Price$0.02/1M tokens$0.018/1K/1M tokens
Output Price$0.04/1M tokensN/A/1M tokens
Latency~180ms~250ms

Choose Solar Pro when:

  • ✓ General purpose
  • ✓ Korean content
  • ✓ Chatbots
Key Strengths:

Good instruction following, Compact, Efficient

Choose PlayHT 3.0 when:

  • ✓ Voice cloning
  • ✓ Content narration
  • ✓ IVR systems
Key Strengths:

Instant cloning, Good quality, Many languages

Verdict: Solar Pro vs PlayHT 3.0

For cost efficiency, PlayHT 3.0 wins at $0.018/1K/1M input tokens. For speed, Solar Pro is faster at ~180ms. Solar Pro excels at General purpose while PlayHT 3.0 is better for Voice cloning. Both are available on XALEN through a single API — try them in the Playground to see which fits your workload.

Detailed Analysis

Pricing Comparison

Solar Pro costs $0.02/1M input tokens and $0.04/1M output tokens. PlayHT 3.0 costs $0.018/1K input and N/A output. PlayHT 3.0 is 1.1x cheaper on input tokens. XALEN offers batch processing at 50% discount on both models.

Performance & Context

Solar Pro has a 32K context window with ~180ms latency. PlayHT 3.0 offers N/A context at ~250ms. Solar Pro has the larger context window.

Best For

Solar Pro (Open Source) is optimized for: General purpose, Korean content, Chatbots. PlayHT 3.0 (Speech) works best for: Voice cloning, Content narration, IVR systems.

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 Solar Pro
response_a = client.chat.completions.create(
    model="solar-pro",
    messages=[{"role": "user", "content": "Your question here"}]
)

# Use PlayHT 3.0
response_b = client.chat.completions.create(
    model="playht-3",
    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, Solar Pro or PlayHT 3.0?

Solar Pro (Open Source, 22B) offers Good instruction following. PlayHT 3.0 (Speech, Generative) offers Instant cloning. Choose Solar Pro for General purpose or PlayHT 3.0 for Voice cloning.

How much does Solar Pro cost vs PlayHT 3.0?

Solar Pro: $0.02/1M input, $0.04/1M output. PlayHT 3.0: $0.018/1K/1M input, N/A/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 Solar Pro and PlayHT 3.0 by changing the model parameter. No code changes needed.

Related Comparisons

Solar Pro vs Whisper Large V3 Solar Pro vs Gemma 3 27B Solar Pro vs Llama 4 Scout Solar Pro vs Llama 4 Maverick Solar Pro vs Llama 3.3 70B Solar Pro vs Llama 3.1 405B

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