Model
GPT-6.1 Sol
GPT-6.1 Sol is an OpenAI model positioned below Astra on price while retaining support for complex coding, computer use, reasoning, and tool-based workflows.
- Provider
- OpenAI
- Categories
- —
- Model links
- 0
- API links
- 1
Research comparison
GPT-6.1 Sol vs Claude Sonnet 5.5
GPT-6.1 Sol and Claude Sonnet 5.5 are current general-purpose models with strong coding and agent-workflow support. Their standard API input/output prices are both USD 2 and USD 10 per million tokens.
Verified Oct 3, 202613 evidence sources
Model
Claude Sonnet 5.5
Claude Sonnet 5.5 is an Anthropic model released in September 2026 with a one-million-token context window, text and image input, and text output.
- Provider
- Anthropic
- Categories
- —
- Model links
- 0
- API links
- 1
Structured facts
Entity profiles
These fields come from each entity record and are kept separate from the curated comparison notes below.
GPT-6.1 Sol
- Entity type
- Model
- Status
- Active
- Verified
- Oct 3, 2026
- Family
- GPT-6
- Context window
- 1,050,000
- Max output
- 128,000
- Input
- Text, Image
- Output
- Text
- Open weights
- No
- Pricing
- Input USD 2/M · Output USD 10/M
Claude Sonnet 5.5
- Entity type
- Model
- Status
- Active
- Verified
- Oct 3, 2026
- Family
- Claude 5.5
- Context window
- 1,000,000
- Max output
- 128,000
- Input
- Text, Image
- Output
- Text
- Open weights
- No
- Pricing
- Input USD 2/M · Output USD 10/M
Editorial comparison
Key differences
These rows are curated comparison data, distinct from automatically aggregated graph relationships.
Context window
GPT-6.1 Sol
1.05M tokens
Claude Sonnet 5.5
1M tokens
Maximum output
GPT-6.1 Sol
128K tokens
Claude Sonnet 5.5
128K tokens
Standard input / output price
GPT-6.1 Sol
USD 2 / USD 10 per MTok
Claude Sonnet 5.5
USD 2 / USD 10 per MTok
Reliable knowledge cutoff
GPT-6.1 Sol
Apr 30, 2026
Claude Sonnet 5.5
Jun 2026
Primary API
GPT-6.1 Sol
OpenAI API
Claude Sonnet 5.5
Claude API
Knowledge graph