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SelectedOpenAI logoGPT-5×Anthropic logoClaude 4.6 Sonnet×DeepSeek logoDeepSeek-V4-Flash×xAI logoGrok 4×Clear all
 
OpenAI logoGPT-5

OpenAI

Anthropic logoClaude 4.6 Sonnet

Anthropic

DeepSeek logoDeepSeek-V4-Flash

DeepSeek

xAI logoGrok 4

xAI

VendorOpenAIAnthropicDeepSeekxAI
FamilyGPTClaudeDeepSeekGrok
Release date2025-08-072026-02-172026-04-222025-07-09
Context window400,000 tokens1,000,000 tokens1,000,000 tokens256,000 tokens
Parameters284B (13B active)
Modalitytext, vision, audiotext, visiontexttext
LicenseproprietaryproprietaryMITproprietary
Sourceproprietaryproprietaryopen weightsproprietary
DescriptionOpenAI's flagship general-purpose model. Superseded by GPT-5.5 in April 2026.Anthropic's mid-tier flagship — released 12 days after Opus 4.6 and matching most of its capabilities at ~40% the API cost ($3/$15 per 1M tokens). 1M-token context.Smaller, faster sibling to DeepSeek-V4-Pro. Same 1M context window with a much lighter 284B / 13B-active MoE.
Links
Benchmarks
MMLU-Pro85.1%85.4%82.8%
GPQA-D87.3%85.8%87.5%
HumanEval95.2%95.9%
Aider85.4%83.6%72.5%
AIME-2591.0%87.4%86.1%
LiveCB74.5%73.8%65.3%
MMMU74.1%

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