AI model comparison
Sonar Reasoning Pro vs o3 Mini High
Pricing, context window, benchmarks, and features compared side by side. Or skip the guesswork and send one prompt to both.
Perplexity
Sonar Reasoning Pro
Note: Sonar Pro pricing includes Perplexity search pricing. See [details here](https://docs.perplexity.ai/guides/pricing#detailed-pricing-breakdown-for-sonar-reasoning-pro-and-sonar-pro) Sonar Reasoning Pro is a premier reasoning model powered by DeepSeek R1 with Chain of Thought (CoT).
- Input / 1M
- $2
- Output / 1M
- $8
- Context
- 128K
OpenAI
o3 Mini High
OpenAI o3-mini-high is the same model as [o3-mini](/openai/o3-mini) with reasoning_effort set to high.
- Input / 1M
- $1.10
- Output / 1M
- $4.40
- Context
- 200K
At a glance
Quick verdict
How the two models stack up on the things people ask about most.
Lower price
o3 Mini High
1.8x cheaper for a typical chat
Higher intelligence score
Sonar Reasoning Pro
11.8 vs 11 on Artificial Analysis
Larger context window
o3 Mini High
200K vs 128K tokens
Newer release
Sonar Reasoning Pro
Released March 7, 2025
Benchmarks
Benchmark scores
Independent scores from Artificial Analysis. Higher is better.
Intelligence index
Sonar Reasoning Pro11.8o3 Mini High11Coding index
Sonar Reasoning ProNot availableo3 Mini High16.3Agentic index
Sonar Reasoning ProNot availableo3 Mini High0.9Pricing
Sonar Reasoning Pro vs o3 Mini High API pricing
Per-token API rates. Cheaper option highlighted.
| Metric | Sonar Reasoning Pro | o3 Mini High |
|---|---|---|
| Input tokensPer 1M tokens | $2 | $1.10 |
| Output tokensPer 1M tokens | $8 | $4.40 |
| Cached input (read)Per 1M tokens | Not available | $0.55 |
| Cache writePer 1M tokens | Not available | Not available |
| Web searchPer request | $0.005 | $0.01 |
What it costs in practice
Estimated cost per 1,000 requests at standard rates. Coding and long-document figures also show the cost when the input is already cached.
Chat message
2K in, 500 out
Sonar Reasoning Pro$8o3 Mini High$4.40Coding task
30K in, 4K out
Sonar Reasoning Pro$92o3 Mini High$50.60$34.10 cachedLong document summary
150K in, 2K out
Sonar Reasoning Pro$316o3 Mini High$173.80$91.30 cachedSpecs
Context window and capabilities
How much each model can read, how much it can write, and what it accepts as input.
| Metric | Sonar Reasoning Pro | o3 Mini High |
|---|---|---|
| Context window | 128K tokens | 200K tokens |
| Max output | 115K tokens | 100K tokens |
| Input types | Image, Text | File, Text |
| Output types | Text | Text |
| Reasoning effort levels | Not available | High |
| Default reasoning effort | Not available | High |
| Release date | March 7, 2025 | February 12, 2025 |
Features
Supported features
API features available for each model.
| Metric | Sonar Reasoning Pro | o3 Mini High |
|---|---|---|
| Tool calling | Not supported | Supported |
| Structured outputs | Not supported | Supported |
| JSON mode | Not supported | Supported |
| Reasoning | Supported | Supported |
| Temperature | Supported | Not supported |
| Stop sequences | Not supported | Not supported |
| Deterministic seed | Not supported | Supported |
| Verbosity control | Not supported | Not supported |
Keep exploring
More on these models
Other head-to-heads, the full model page, and the alternatives list for each model.
Sonar Reasoning ProView full model details- Sonar Reasoning Pro vs Claude Haiku 4.5
- Sonar Reasoning Pro vs Gemini 2.5 Pro
- Sonar Reasoning Pro vs Mistral Medium 3.5
- Sonar Reasoning Pro vs Command A
- Sonar Reasoning Pro vs GPT-4.1
- Sonar Reasoning Pro vs Qwen3 235B A22B Thinking 2507
- Sonar Reasoning Pro vs o3 Mini
- Sonar Reasoning Pro vs Nova Premier 1.0
- Sonar Reasoning Pro vs GPT-4o (2024-11-20)
- Sonar Reasoning Pro vs Sonar Pro
Our take
o3 Mini High is 1.8x cheaper for a typical chat. Sonar Reasoning Pro scores higher on the Artificial Analysis Intelligence Index (11.8 vs 11). o3 Mini High has the larger context window (200K vs 128K tokens). The right pick depends on your workload, so the quickest way to settle it is to send the same prompt to both and compare.
FAQ
Frequently asked questions
Is Sonar Reasoning Pro or o3 Mini High cheaper?
o3 Mini High is cheaper for a typical chat (2K input tokens and 500 output tokens). o3 Mini High costs $1.10 per 1M input tokens and $4.40 per 1M output tokens, while Sonar Reasoning Pro costs $2 per 1M input tokens and $8 per 1M output tokens.
Which has a bigger context window, Sonar Reasoning Pro or o3 Mini High?
o3 Mini High supports up to 200K tokens of context, compared with 128K for Sonar Reasoning Pro.
Is Sonar Reasoning Pro smarter than o3 Mini High?
On the Artificial Analysis Intelligence Index, Sonar Reasoning Pro scores 11.8 and o3 Mini High scores 11, putting Sonar Reasoning Pro ahead. Benchmarks don't capture everything, so the best test is running your own prompts through both.
Can I use Sonar Reasoning Pro and o3 Mini High at the same time?
Yes. Shortcut Chat sends one prompt to multiple models at once, so you can see Sonar Reasoning Pro and o3 Mini High answer side by side and keep the better response.
Why choose? Ask both.
Send one prompt to Sonar Reasoning Pro and o3 Mini High at the same time. Compare the answers side by side and keep the best one.