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SelectedOpenAI logoGPT-5×Anthropic logoClaude 4.8 Opus×Alibaba logoQwen3.7-Max×OpenAI logoo3×Clear all
 
OpenAI logoGPT-5

OpenAI

Anthropic logoClaude 4.8 Opus

Anthropic

Alibaba logoQwen3.7-Max

Alibaba

OpenAI logoo3

OpenAI

VendorOpenAIAnthropicAlibabaOpenAI
FamilyGPTClaudeQweno-series
Release date2025-08-072026-05-282026-05-202025-04-16
Context window400,000 tokens1,000,000 tokens1,000,000 tokens200,000 tokens
Parameters
Modalitytext, vision, audiotext, visiontexttext, vision
Licenseproprietaryproprietaryproprietaryproprietary
Sourceproprietaryproprietaryproprietaryproprietary
DescriptionOpenAI's flagship general-purpose model. Superseded by GPT-5.5 in April 2026.Anthropic's flagship hybrid-reasoning model — Opus 4.8 pushes coding and AI-agent workflows further (agentic coding 69.2% vs 64.3% on 4.7; multidisciplinary reasoning 57.9% vs 54.7%). 1M-token context, $5/$25 per MTok pricing held flat from Opus 4.7. Introduces Dynamic Workflows for Claude Code (research preview). GA on Anthropic API (`claude-opus-4-8`), AWS Bedrock, Google Vertex, Microsoft Foundry, and GitHub Copilot.Alibaba's flagship agent model — 1M-token context, extended-thinking mode, 56.6 on the Artificial Analysis Intelligence Index v4.0 (5th overall, #1 Chinese). 50.8% on Terminal-Bench Hard. Designed for long-horizon agent workloads (hundreds-to-thousands of steps). Closed-weight, $2.50/$7.50 per 1M tokens.Reasoning-focused model in the o-series.
Links
Benchmarks
MMLU-Pro85.1%83.7%
GPQA-D87.3%83.0%87.7%
HumanEval95.2%93.9%
Aider85.4%78.4%
AIME-2591.0%90.4%88.9%
LiveCB74.5%71.0%
MMMU74.1%

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