Standard Compute
Model Comparison 2026

Claude Sonnet 4.6 vs GPT-5.6 Sol

Claude Sonnet 4.6
Anthropic · Balanced · Proprietary
$6.60/1M · 1M ctx
GPT-5.6 Sol
OpenAI · Frontier · Proprietary
$13/1M · 1.1M ctx

Community Vote

Pick a winner in each dimension — change your vote anytime. 1 votes cast so far.

Output Quality
Correctness and depth of what it produces
Sonnet 4.6 100%0% Sol
Agentic Ability
Tool calls, instruction-following, and multi-step tasks
Speed
Tokens per second and time-to-first-token
Value for $
How much capability you get per dollar
Reliability
Consistent results — fewer refusals, loops, and format breaks

Specs & Pricing, Side by Side

Spec
Sonnet 4.6
Sol
Maker
Anthropic
OpenAI
Blended price / 1M
$6.60
$13
Input / output
$3.00 in · $15 out / 1M tokens
$5.00 in · $30 out / 1M tokens
Context window
1M
1.1M
Open weights
No
No
Tool use
Yes
Yes
Reasoning
Yes
Yes
Output Quality
9.1
9.7
Agentic Ability
9.2
9.6
Speed
8.0
7.4
Value for $
8.0
7.8
Reliability
9.4
9.3

Pricing and capabilities synced from the OpenRouter catalogue. Scores are editorial (0–10).

Verdict: Sonnet 4.6 or Sol?

Updated 2026-08-02

Choose Claude Sonnet 4.6 if you want the everyday agent default — strong quality without the flagship price. Choose GPT-5.6 Sol if you want hard coding and research tasks for teams in the OpenAI ecosystem.

In our editorial scoring, Claude Sonnet 4.6 leads in 3 of five dimensions (speed, value for $ and reliability), while GPT-5.6 Sol leads in 2. On price, Claude Sonnet 4.6 runs about $6.60 per 1M tokens (blended) and is proprietary; GPT-5.6 Sol is about $13 and proprietary.

Across 1 community votes on this matchup, Claude Sonnet 4.6 currently leads in 1 of five dimensions. Cast your own vote above to move the needle.

Where Sonnet 4.6 falls short
  • Still steps behind Opus on the very hardest tasks
  • Pricier than open-weight models of similar quality
Full Sonnet 4.6 breakdown →
Where Sol falls short
  • Very new — real-world agent track record still forming
  • Slower and pricier than Terra for routine work
Full Sol breakdown →

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