Model comparison

GPT-6.1 Sol vs Sonar Pro

GPT-6.1 Sol has enough public results to be ranked (#6); Sonar Pro does not yet, so treat this comparison as directional.

Last verified . 0 shared benchmarks.

GPT-6.1 Sol OpenAI

65.6

Rank #6 Confirmed

Sonar Pro Perplexity

—

Unranked

Summary

  • GPT-6.1 Sol is cheaper at $2 / $10 per million input/output tokens, against $3 / $15 for Sonar Pro.
  • GPT-6.1 Sol accepts more context: 1.05M tokens versus 200K.

Side by side

GPT-6.1 Sol and Sonar Pro specifications
GPT-6.1 SolSonar Pro
ProviderOpenAIPerplexity
Noometry Index65.6—
Released2026-09-292024-01-01
WeightsProprietaryProprietary
Context window1.05M200K
Max output128K8K
Input $ / M tokens$2$3
Output $ / M tokens$10$15
Results tracked341

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Category by category

Coding Not comparable

GPT-6.1 Sol: 63.2 (#8), Sonar Pro: —

Coding benchmarks
BenchmarkGPT-6.1 SolSonar Pro
DeepSWE75.2%—
FrontierCode50.2%—
LMArena WebDev1755—
SciCode55.8%—
LMArena Coding1487—

Agentic & Tool Use Not comparable

GPT-6.1 Sol: 39.6 (#26), Sonar Pro: —

Agentic & Tool Use benchmarks
BenchmarkGPT-6.1 SolSonar Pro
APEX-Agents60%—
GDP.pdf32%—
LMArena Search—1130

Reasoning Not comparable

GPT-6.1 Sol: 81.9 (#2), Sonar Pro: —

Reasoning benchmarks
BenchmarkGPT-6.1 SolSonar Pro
ARC-AGI-294.2%—
NYT Connections (extended)95.5%—
ARC-AGI-198.5%—
CritPt31.7%—
Chess Puzzles61%—
EBR-Bench54.3%—
LMArena Hard Prompts1466—
Mystery Game Puzzles80%—
Epoch Capabilities Index166.09—

Math Not comparable

GPT-6.1 Sol: 93.7 (#1), Sonar Pro: —

Math benchmarks
BenchmarkGPT-6.1 SolSonar Pro
FrontierMath (Tiers 1-3)93.7%—
FrontierMath Tier 4100%—
OTIS Mock AIME 2024-2025100%—
ProofBench99%—
LMArena Math1464—

Knowledge Not comparable

GPT-6.1 Sol: 71.8 (#4), Sonar Pro: —

Knowledge benchmarks
BenchmarkGPT-6.1 SolSonar Pro
GPQA Diamond95.4%—
SimpleQA Verified73.9%—
LMArena Expert1502—

Multimodal Not comparable

GPT-6.1 Sol: 52.7 (#5), Sonar Pro: —

Multimodal benchmarks
BenchmarkGPT-6.1 SolSonar Pro
LMArena Vision1288—
Furniture Assembly80%—

Multilingual Not comparable

GPT-6.1 Sol: 54.3 (#46), Sonar Pro: —

Multilingual benchmarks
BenchmarkGPT-6.1 SolSonar Pro
LMArena Non-English1438—
LMArena Chinese1477—
LMArena Russian1455—

Instruction Following Not comparable

GPT-6.1 Sol: 77.0 (#29), Sonar Pro: —

Instruction Following benchmarks
BenchmarkGPT-6.1 SolSonar Pro
LMArena Instruction Following1468—

Long Context Not comparable

GPT-6.1 Sol: 44.9 (#54), Sonar Pro: —

Long Context benchmarks
BenchmarkGPT-6.1 SolSonar Pro
LMArena Longer Query1465—

Writing & Preference Not comparable

GPT-6.1 Sol: 63.6 (#63), Sonar Pro: —

Writing & Preference benchmarks
BenchmarkGPT-6.1 SolSonar Pro
LMArena Text1447—
LMArena Creative Writing1432—
LMArena Multi-Turn1449—

Frequently asked questions

Is GPT-6.1 Sol better than Sonar Pro?

GPT-6.1 Sol has enough public results to be ranked (#6); Sonar Pro does not yet, so treat this comparison as directional.

Which is cheaper, GPT-6.1 Sol or Sonar Pro?

GPT-6.1 Sol is cheaper. It lists at $2 per million input tokens and $10 per million output tokens; Sonar Pro lists at $3 and $15.

Which has the bigger context window?

GPT-6.1 Sol does, with 1.05M tokens against 200K.

How many benchmarks do GPT-6.1 Sol and Sonar Pro share?

0 benchmarks have published results for both models. GPT-6.1 Sol has 34 scored results on Noometry and Sonar Pro has 1.

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