Models, measured side by side
Grok 4.7 vs Sonar Reasoning Pro
Compare Grok 4.7, Sonar Reasoning Pro by token pricing, context length, benchmark results, speed and tool support.
Monthly workload
Monthly cost breakdown
InputOutput
Grok 4.7
$70 / mo
Sonar Reasoning Pro
$80 / mo
Performance comparison
Grok 4.7
46.4
Sonar Reasoning Pro
11.8
Overview
| Overview | Grok 4.7 | Sonar Reasoning Pro |
|---|---|---|
| Provider | xAI | Perplexity |
| Released | 2026-09-21 | 2025-03-07 |
| Status | Active | Active |
| Input formats | textimagefile | textimage |
| Output formats | text | text |
Provider
- Grok 4.7
- xAI
- Sonar Reasoning Pro
- Perplexity
Released
- Grok 4.7
- 2026-09-21
- Sonar Reasoning Pro
- 2025-03-07
Status
- Grok 4.7
- Active
- Sonar Reasoning Pro
- Active
Input formats
- Grok 4.7
- textimagefile
- Sonar Reasoning Pro
- textimage
Output formats
- Grok 4.7
- text
- Sonar Reasoning Pro
- text
Pricing & capacity
| Pricing & capacity | Grok 4.7 | Sonar Reasoning Pro |
|---|---|---|
| Input / 1M tokens | $2.00 | $2.00 |
| Output / 1M tokens | $6.00 | $8.00 |
| Cached input / 1M | $0.50 | Not listed |
| Monthly cost | $70 | $80 |
| Context window | 500K | 128K |
| Maximum output | 450K | 115K |
Input / 1M tokens
- Grok 4.7
- $2.00
- Sonar Reasoning Pro
- $2.00
Output / 1M tokens
- Grok 4.7
- $6.00
- Sonar Reasoning Pro
- $8.00
Cached input / 1M
- Grok 4.7
- $0.50
- Sonar Reasoning Pro
- Not listed
Monthly cost
- Grok 4.7
- $70
- Sonar Reasoning Pro
- $80
Context window
- Grok 4.7
- 500K
- Sonar Reasoning Pro
- 128K
Maximum output
- Grok 4.7
- 450K
- Sonar Reasoning Pro
- 115K
Benchmarks & performance
| Benchmarks & performance | Grok 4.7 | Sonar Reasoning Pro |
|---|---|---|
| Intelligence Index | 46.4 | 11.8 |
| Humanity’s Last Exam | 43.1% | Not listed |
| SciCode | 57.4% | Not listed |
| Output speed | 83 tokens/s | Not listed |
| Time to first token | 43.17 s | Not listed |
| DesignArena rating | 1,269 | Not listed |
| DesignArena win rate | 47.6% | Not listed |
Intelligence Index
- Grok 4.7
- 46.4
- Sonar Reasoning Pro
- 11.8
Humanity’s Last Exam
- Grok 4.7
- 43.1%
- Sonar Reasoning Pro
- Not listed
SciCode
- Grok 4.7
- 57.4%
- Sonar Reasoning Pro
- Not listed
Output speed
- Grok 4.7
- 83 tokens/s
- Sonar Reasoning Pro
- Not listed
Time to first token
- Grok 4.7
- 43.17 s
- Sonar Reasoning Pro
- Not listed
DesignArena rating
- Grok 4.7
- 1,269
- Sonar Reasoning Pro
- Not listed
DesignArena win rate
- Grok 4.7
- 47.6%
- Sonar Reasoning Pro
- Not listed
Tools & features
| Tools & features | Grok 4.7 | Sonar Reasoning Pro |
|---|---|---|
| Function calling | Supported | Not listed |
| Structured outputs | Supported | Not listed |
| JSON mode | Supported | Not listed |
| Reasoning | Supported | Supported |
| Built-in web search | Not listed | Supported |
| Log probabilities | Supported | Not listed |
| Deterministic seed | Supported | Not listed |
| Prompt caching | Supported | Not listed |
Function calling
- Grok 4.7
- Supported
- Sonar Reasoning Pro
- Not listed
Structured outputs
- Grok 4.7
- Supported
- Sonar Reasoning Pro
- Not listed
JSON mode
- Grok 4.7
- Supported
- Sonar Reasoning Pro
- Not listed
Reasoning
- Grok 4.7
- Supported
- Sonar Reasoning Pro
- Supported
Built-in web search
- Grok 4.7
- Not listed
- Sonar Reasoning Pro
- Supported
Log probabilities
- Grok 4.7
- Supported
- Sonar Reasoning Pro
- Not listed
Deterministic seed
- Grok 4.7
- Supported
- Sonar Reasoning Pro
- Not listed
Prompt caching
- Grok 4.7
- Supported
- Sonar Reasoning Pro
- Not listed
API & availability
| API & availability | Grok 4.7 | Sonar Reasoning Pro |
|---|---|---|
| API identifier | grok-4.7 | sonar-reasoning-pro |
| API providers | xAI, xAI, xAI, xAI, xAI | Not listed |
| Prices checked | Oct 8, 2026 | Oct 8, 2026 |
API identifier
- Grok 4.7
grok-4.7- Sonar Reasoning Pro
sonar-reasoning-pro
API providers
- Grok 4.7
- xAI, xAI, xAI, xAI, xAI
- Sonar Reasoning Pro
- Not listed
Prices checked
- Grok 4.7
- Oct 8, 2026
- Sonar Reasoning Pro
- Oct 8, 2026
About the models
Grok 4.7
Grok 4.7 is SpaceXAI's flagship model for coding, agentic tasks, and knowledge work, succeeding Grok 4.6. It is particularly strong at long-running software engineering tasks, verifying its own work, and...
Full pricing & detailsSonar 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). Designed for
Full pricing & detailsComparison FAQ
Grok 4.7: $2.00 input and $6.00 output per million tokens. Sonar Reasoning Pro: $2.00 input and $8.00 output per million tokens. The cheaper choice depends on your input-to-output ratio; a model can have a lower input rate but a higher output rate.