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GPT-6.1 Terra (batch) vs Sonar Pro Search

vs
Sonar Pro Search

Perplexity

40#368
Signal-by-Signal Comparison
SignalGPT-6.1 Terra (batch)DeltaSonar Pro Search
Capabilities
100
+17
83
Pricing
98
+13
85
Context window size
96
+12
84
Recency
100
+35
65
Output Capacity
82
+19
62
Overall Result
5 wins
of 5
0 wins
GPT-6.1 Terra (batch) wins 5 of 5 signals

Score History

Score History (38 data points)
GPT-6.1 Terra (batch)Sonar Pro Search
GPT-6.1 Terra (batch)

40

current score

Leader

Tied

right now

Sonar Pro Search

40

current score

LMMarketCap.com
Interactive Price Comparison
100Kcalls/month
1,000tokens (~1,333 chars)
500tokens (~667 chars)

GPT-6.1 Terra (batch)

OpenAI

Best Value
Per request$0.001750
Daily$5.83
Monthly$175.00
Annual$2100.00

Sonar Pro Search

Perplexity

Per request$0.010500
Daily$35.00
Monthly$1050.00
Annual$12600.00

GPT-6.1 Terra (batch) saves you $875.00/month

That's $10500.00/year compared to Sonar Pro Search at your current usage level of 100K calls/month.

83% cheaper
Choose GPT-6.1 Terra (batch) for cost optimization

GPT-6.1 Terra (batch) pricing:
Input:$0.50/M tokens
Output:$2.50/M tokens
Sonar Pro Search pricing:
Input:$3.00/M tokens
Output:$15.00/M tokens
Tie
GPT-6.1 Terra (batch)

OpenAI

40

Composite Score

Tie
Sonar Pro Search

Perplexity

40

Composite Score

Signal-by-Signal Comparison
MetricGPT-6.1 Terra (batch)Sonar Pro SearchWinner
Overall Score
40
40
--
Rank#184#368
GPT-6.1 Terra (batch)
Quality Rank#184#368
GPT-6.1 Terra (batch)
Adoption Rank#184#368
GPT-6.1 Terra (batch)
Parameters------
Context Window1050K200K
GPT-6.1 Terra (batch)
Pricing$0.50/$2.50/M$3.00/$15.00/M--
Signal Scores
Capabilities
100
83
GPT-6.1 Terra (batch)
Pricing
98
85
GPT-6.1 Terra (batch)
Context window size
96
84
GPT-6.1 Terra (batch)
Recency
100
65
GPT-6.1 Terra (batch)
Output Capacity
82
62
GPT-6.1 Terra (batch)
Benchmark Interpretation

Our score (0-100) is driven by benchmark performance (90%) from Arena Elo ratings, MMLU, GPQA, HumanEval, SWE-bench, and 15+ standardized evaluations. Capabilities and context window serve as tiebreakers (10%). Learn more about our methodology.

GPT-6.1 Terra (batch)Entry Level

Scores 40/100 (rank #184), placing it in the top 37% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100
Sonar Pro SearchEntry Level

Scores 40/100 (rank #368), placing it in the top -27% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100

With only a 0-point gap, these models are in the same performance tier. The practical difference in output quality is minimal - your choice should depend on pricing, latency requirements, and specific feature needs.

When to Use Each Model

Choose GPT-6.1 Terra (batch) when you need:

  • High-volume production workloads where API costs must be minimized
  • Processing long documents or large codebases (1050K token context)
  • Agentic applications using tool/function calling
  • Step-by-step reasoning and chain-of-thought problem solving

Choose Sonar Pro Search when you need:

  • Step-by-step reasoning and chain-of-thought problem solving
Cost-Performance Analysis
GPT-6.1 Terra (batch)Best Value
Input cost$0.50/M tokens
Output cost$2.50/M tokens
Cost per quality point$0.075
Est. monthly (1M tokens/day)$45.00
Sonar Pro Search
Input cost$3.00/M tokens
Output cost$15.00/M tokens
Cost per quality point$0.450
Est. monthly (1M tokens/day)$270.00

GPT-6.1 Terra (batch) offers 83% better value per quality point. At 1M tokens/day, you'd spend $45.00/month with GPT-6.1 Terra (batch) vs $270.00/month with Sonar Pro Search - a $225.00 monthly difference.

Latency & Speed
GPT-6.1 Terra (batch)Faster
Speed score0/100
Sonar Pro Search
Speed score0/100

Both models have comparable response speeds. For most applications, the latency difference is negligible.

When latency matters most: Interactive chatbots, IDE code completion, real-time translation, and user-facing applications where response time directly impacts experience. For batch processing, background summarization, or offline analysis, latency is less critical.

Example Use Cases

Code generation & review

Based on overall model capabilities and architecture for coding tasks like generating functions, debugging, and refactoring

GPT-6.1 Terra (batch)

Customer support chatbot

Suitable for user-facing chat with competitive response times. GPT-6.1 Terra (batch) also offers lower per-token costs for high-volume support

GPT-6.1 Terra (batch)

Long document analysis

Larger context window (1050K tokens) can process longer documents, contracts, and research papers in a single pass

GPT-6.1 Terra (batch)

Batch data extraction

Lower output pricing ($2.50/M) reduces costs when processing thousands of records daily

GPT-6.1 Terra (batch)

Creative writing & content

Higher overall composite score (40/100) correlates with better nuance, coherence, and style in long-form content

GPT-6.1 Terra (batch)

Image understanding & OCR

Supports vision input - can analyze screenshots, diagrams, photos, and scanned documents directly

GPT-6.1 Terra (batch)
Which Should You Choose?
Our recommendation:
GPT-6.1 Terra (batch)

GPT-6.1 Terra (batch) and Sonar Pro Search are extremely close in overall performance (only 0 points apart). Your best choice depends entirely on which specific strengths matter most for your use case.

by OpenAI

  • Choose for Quality - Marginally better benchmark scores; both are excellent
  • Choose for Cost - 83% lower pricing; better value at scale
  • Choose for Reliability - Higher uptime and faster response speeds
  • Choose for Prototyping - Stronger community support and better developer experience
  • Choose for Production - Wider enterprise adoption and proven at scale

by Perplexity

Consider for specialized use cases.

Capability Comparison
CapabilityGPT-6.1 Terra (batch)Sonar Pro Search
Vision (Image Input)
Function Callingdiffers
Streaming
JSON Mode
Reasoning
Web Search
Image Output
Monthly Cost Calculator
1,000tokens (600 in / 400 out)
100requests/day (3,000/month)

GPT-6.1 Terra (batch)

OpenAI

Best Value
$3.90
estimated monthly cost

Sonar Pro Search

Perplexity

$23.40
estimated monthly cost

GPT-6.1 Terra (batch) saves you $19.50/month

That's 83% cheaper than Sonar Pro Search at 1,000 tokens/request and 100 requests/day.

Assumes 60% input / 40% output token ratio per request. Actual costs may vary based on your usage pattern.

Parameters & Context
ParameterGPT-6.1 Terra (batch)Sonar Pro Search
Context Window1.1M200K
Max Output Tokens128,0008,000
Open SourceNoNo
CreatedOct 26, 2026Oct 30, 2025
Last updated: 42m ago

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GPT-6.1 Terra (batch) vs Sonar Pro Search (2026) | LM Market Cap