VerdictPal
Join
VerdictPal · editorial desk · updated 23 Sep 2026VerdictPal
Compare · Two models, head-to-head

Pick two models. See the diff.

Composite scores, benchmark ranks, capability grids, and pricing per million tokens. All sourced from the same data that powers the model atlas.
ToolsModels

Claude Opus 5.5 vs GPT-6 Sol

Claude Opus 5.50stats won
Tied3stats
GPT-6 Sol2stats won
Spec showdown

Capacity, price, freshness.

Claude Opus 5.5vsGPT-6 Sol

Composite scores are within 5 points — 0 for Claude Opus 5.5 vs 0 for GPT-6 Sol. The choice comes down to capability profile and price. GPT-6 Sol is more affordable at $2.0/1M input — about 2× cheaper than $4.0/1M.

  1. Composite score
    Claude Opus 5.50GPT-6 Sol0
  2. Intelligence (Vals/AA)
    Claude Opus 5.50GPT-6 Sol0
  3. Context window
    Claude Opus 5.51MGPT-6 Sol1MWinner on this row
  4. Max output
    Claude Opus 5.5128KGPT-6 Sol128K
  5. Input price / 1M (lower wins)
    Claude Opus 5.5$4.0GPT-6 Sol$2.0Winner on this row
Composite score
0
vs
0
Intelligence (Vals/AA)
0
vs
0
Context window
1M
vs
1MWinner on this row
Max output
128K
vs
128K
Input price / 1M (lower wins)
$4.0
vs
$2.0Winner on this row
Capability grid

What each model can do.

Modalities

Claude Opus 5.5GPT-6 Sol
Text●●
Image●●
Audio——
Video——
Code●●
Tool use●●
Reasoning●●

Access

Claude Opus 5.5GPT-6 Sol
API●●
Consumer app●●
Open weights——
Managed cloud●●
On-device——
Family profile

Top score per benchmark family.

No shared benchmark families between these two models.

Benchmark ranks

Every shared benchmark, side by side.

No shared benchmarks found between these two models.

Dossier facts

Dates, sources, fineprint.

Claude Opus 5.5GPT-6 Sol
ProviderAnthropicOpenAI
FamilyClaude OpusGPT-6
Release date2026-09-222026-09-22
Knowledge cutoffJun 20262026-04-20
Context window1M1M
Max output128K128K
Input price /1M$4.0$2.0
Output price /1M$20$10
Statusflagshipflagship
Composite score00
Intelligence score00
Intel sourcenonenone
Benchmark rows00
Source count00
Freshnessstalestale
Pricing checked2026-09-232026-09-23
Ecosystem

Which tools wrap each model.

Verdict

Which model to actually pick.

Composite scores are within 5 points — 0 for Claude Opus 5.5 vs 0 for GPT-6 Sol. The choice comes down to capability profile and price. GPT-6 Sol is more affordable at $2.0/1M input — about 2× cheaper than $4.0/1M.

Open Claude Opus 5.5's dossierOpen GPT-6 Sol's dossier

Questions this comparison answers

Every answer below is assembled from the dated fields on this page. Nothing is written separately for search.

Should you use Claude Opus 5.5 or GPT-6 Sol?

Composite scores are within 5 points — 0 for Claude Opus 5.5 vs 0 for GPT-6 Sol. The choice comes down to capability profile and price. GPT-6 Sol is more affordable at $2.0/1M input — about 2× cheaper than $4.0/1M.

Is Claude Opus 5.5 or GPT-6 Sol cheaper?

Claude Opus 5.5: $4.0 / $20. GPT-6 Sol: $2.0 / $10.

How do the Claude Opus 5.5 and GPT-6 Sol context windows compare?

Claude Opus 5.5: 1M. GPT-6 Sol: 1M.