AI Foundation Models
Explore frontier foundation models, verified benchmarks, 6-axis capability radar, hardware VRAM sizing, and real-time token pricing economics.
Claude Opus 5.5
The frontier reasoning summit from Anthropic featuring a native 1-million-token context window, 92%+ SWE-bench Verified resolution, and hierarchical multi-agent verification.
Claude Opus 5
Anthropic's fifth-generation intelligence flagship, bringing full omni-modal audio/video/image capabilities, 500k context, and deep multi-hop self-critique reasoning.
Claude Sonnet 5.5
Enterprise software development benchmark with native 1-million-token context, dynamic sub-agent spawning, and 90.5% SWE-bench Verified precision.
Claude Fable 5.1
Anthropic's current flagship creative simulation and multimodal narrative agent, featuring adaptive emotional prosody, complex scenario branching, and multi-persona alignment.
Claude Sonnet 3.7
Claude Sonnet 3.7 is a hybrid reasoning and code model from Anthropic with a 200,000-token context window, supporting text, image, and PDF modalities with dynamic test-time compute control.
Claude Opus 4.8
The peak culmination of Anthropic's Claude 4 architecture, featuring half-million-token context, 87.5% SWE-bench Verified, and lowered flagship pricing ($10/$50).
Claude Sonnet 4.5
Claude Sonnet 4.5 establishes a new frontier standard in autonomous software engineering with 80%+ SWE-bench Verified resolution, expanded 250k context, and optimized test-time execution.
Claude Fable 5
Claude Fable 5 introduces Anthropic's new narrative and simulation model family, engineered specifically for high-dimensional storytelling, simulated social dynamics, interactive fiction, and multi-agent persona roleplaying.
Claude Opus 4.5
Anthropic's late-2025 flagship reasoning foundation model with expanded 300,000-token context, 82.6% on SWE-bench Verified, and breakthrough formal mathematical synthesis.
Claude Opus 4
Claude Opus 4 is Anthropic's flagship frontier reasoning model for the Claude 4 generation, featuring an advanced hybrid test-time reasoning engine, 200k context window, and breakthrough scores on graduate-level STEM and multi-step deduction.
Claude Sonnet 5
Next-generation software engineering flagship featuring 500k context, zero-latency thinking switching, and native autonomous multi-agent repository orchestration.
Claude Sonnet 4
Claude Sonnet 4 is Anthropic's premier balanced engineering model for the Claude 4 generation, engineered for rapid autonomous coding agents, multi-step tool execution, and cost-effective enterprise workflows.
Claude Sonnet 4.6
Claude Sonnet 4.6 delivers 300k context window, 83.2% SWE-bench Verified score, and reduced $2.50/$12.50 token economics for large-scale enterprise software agent automation.
Claude Opus 4.7
Claude Opus 4.7 expands context to 400k tokens and incorporates multi-agent reasoning verification, pushing frontier AI science and formal theorem proving.
Claude Haiku 5.5
Sub-100ms ultra-fast foundation model delivering Claude 4 Sonnet-level capability at edge prices ($0.50/$2.50) with 500k context.
Claude Opus 4.6
Claude Opus 4.6 is a February 2026 evolution delivering upgraded reasoning throughput, reduced API pricing ($12/$60), and enhanced native computer-use execution across complex desktop workflows.
Claude Opus 4.1
Claude Opus 4.1 introduces refined RL alignment, higher symbolic reasoning fidelity, and pruned test-time thinking paths for reduced latency on complex tasks.
Claude Haiku 4.5
Claude Haiku 4.5 delivers lightning-fast inference and remarkable intelligence density, operating at sub-200ms latency for real-time customer workflows, classification, and content moderation.