AI Model Comparison Studio
Choose up to three models and compare source-backed specifications, capabilities, context limits, public API pricing and reported benchmarks when available.
Curated Comparisons
Editorial analysis + interactive studioChoose GPT-5.6 Sol for capability-first professional reasoning and coding, Claude Fable 5.1 when demanding long-horizon agentic work and Anthropic ecosystem fit justify the premium, and Gemini 3.8 Flash when cost efficiency or broad multimodal input support dominates the decision.
Choose Gemini 3.8 Flash when current API price or broad multimodal input support dominates. Choose GPT-5.6 Terra when its 128,000-token output ceiling, OpenAI tool stack, or lower migration cost creates measurable operational value.
Select Models to Compare
| Feature & Metric | OpenAIGPT-6 Astra | OpenAIGPT-5.6 Sol | AnthropicClaude Fable 5.1 |
|---|---|---|---|
| Provider | OpenAI | OpenAI | Anthropic |
| AIWS Category | AI Model | Reasoning & Multimodal | AI Model |
| Provider Status | Not published | Not published | Active |
| Release Date | Not published | Jul 9, 2026 | Sep 1, 2026 |
| Context Window | 1,050,000 tokens | 1,050,000 tokens | 1M tokens |
| Maximum Output | 128,000 tokens | 128,000 tokens | 128K tokens |
| Input Price / 1M Tokens | $10.00 | $4.00 | $10.00 |
| Cached Input / 1M Tokens | $1.00 | $0.4000 | $0.2500 |
| Output Price / 1M Tokens | $50.00 | $20.00 | $50.00 |
| Long-Context Pricing | Above 272,000 tokens · $20.00 input · $75.00 output | Above 272,000 tokens · input tier not published · output tier not published | No separate tier stored |
| Pricing Conditions | No special condition stored | No special condition stored | No special condition stored |
| Native Input Modalities | text, image | text, image | Text, Images |
| Native Output Modalities | text | text | Text |
| Built-in/API Tools | Not published | Image generation: Supported · Web search: Supported · File search: Supported · Code interpreter: Supported · Computer use: Supported · MCP: Supported · Hosted shell: Supported · Apply patch: Supported · Skills: Supported · Tool search: Supported | Not published |
| Core Capabilities | Reasoning: Supported · Image input: Supported · Audio input: Not supported · Video input: Not supported · API access: Available | Reasoning: Supported · Image input: Supported · Audio input: Not supported · Video input: Not supported · API access: Available | Reasoning: Supported · Image input: Supported · Audio input: Not supported · Video input: Not supported · API access: Available |
| API Availability | Available | Available | Available |
| Open Weights | Not published | Not published | Not published |
| License | Not published | Not published | Not published |
| Provider API Model ID | gpt-6-astra | gpt-5.6-sol | claude-fable-5-1 |
| Verification Checkpoint | Sep 11, 2026 | Field-level evidence only | Sep 1, 2026 |
| Model Summary | No summary published. | OpenAI GPT-5.6 Sol, the flagship model in the GPT-5.6 family. | Anthropic's frontier model for demanding reasoning, long-horizon agentic coding, multistep research and complex knowledge work. |
| Full Spec Sheet | View GPT-6 Astra Specs | View GPT-5.6 Sol Specs | View Claude Fable 5.1 Specs |
Native output is what the model returns directly. Tool capabilities are separate.