ModelBench
Model catalog

Models

Every model in the catalog with source-linked pricing, context limits, provider availability, and published benchmark results.

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11 models
nano-gpt 1M+
Ranked by BrowseComp
OpenAI: GPT-6 Astra T
Reasoning Tools JSON 91.5

GPT-6 Astra is OpenAI's most capable model for complex reasoning, coding, computer use, research, and document creation.

openai/gpt-6-astra 2026-09-04 1.05M context $10/M input $50/M output
18 providers
Moonshot AI: Kimi K3 T
Reasoning Tools JSON Open weights 91.2

Multimodal Kimi model with 1M context and toggleable max-effort thinking for long-horizon agent work

moonshotai/kimi-k3 2026-07-16 1.04858M context $3/M input $15/M output
63 providers
Anthropic: Claude Opus 5 T
Reasoning Tools 90.8

Strongest Claude Opus model for coding, agents, and professional work

anthropic/claude-opus-5 2026-07-24 1M context $5/M input $25/M output
32 providers
OpenAI: GPT-5.6 Sol T
Reasoning Tools JSON 90.4

Frontier GPT-5.6 model for complex professional work, coding, and agentic workflows

openai/gpt-5.6-sol 2026-07-09 1.05M context $4/M input $20/M output
36 providers
OpenAI: GPT-5.4 Pro T
Reasoning Tools 89.3

More exact GPT-5.4 tier for demanding professional reasoning and agent tasks

openai/gpt-5.4-pro 2026-03-05 1.05M context $30/M input $180/M output
19 providers
OpenAI: GPT-5.6 Terra T
Reasoning Tools JSON 87.5

Balanced GPT-5.6 model for capable, cost-efficient everyday work

openai/gpt-5.6-terra 2026-07-09 1.05M context $2/M input $12/M output
35 providers
Anthropic: Claude Sonnet 5 T
Tools JSON 84.7

Everyday Claude agent model for coding, planning, browsing, and general work

anthropic/claude-sonnet-5 2026-06-30 1M context $2/M input $10/M output
35 providers
OpenAI: GPT-5.5 T
Reasoning Tools JSON 84.4

Default frontier GPT for coding, computer use, research, and knowledge work

openai/gpt-5.5 2026-04-23 1.05M context $5/M input $30/M output
46 providers
OpenAI: GPT-5.6 Luna T
Reasoning Tools JSON 83.3

Cost-efficient GPT-5.6 model for fast, high-volume workloads

openai/gpt-5.6-luna 2026-07-09 1.05M context $0.2/M input $1.2/M output
36 providers
OpenAI: GPT-5.4 T
Reasoning Tools JSON 82.7

Agent-ready GPT for coding and computer-use workflows at a lower cost

openai/gpt-5.4 2026-03-05 1.05M context $2.5/M input $15/M output
42 providers
NVIDIA: Nemotron 3 Ultra 550B A55B T
Reasoning Tools Open weights 44.4

Largest Nemotron 3 model for maximum open-weight reasoning and agent accuracy

nvidia/nemotron-3-ultra-550b-a55b 2026-06-04 1M context $0.5/M input $2.5/M output
15 providers