modelgrep

Anthropic: Claude Opus 4.7 vs OpenAI: GPT-5.6 Terra

anthropic logoAnthropic: Claude Opus 4.7anthropic/claude-opus-4.7VSopenai logoOpenAI: GPT-5.6 Terraopenai/gpt-5.6-terra

OpenAI: GPT-5.6 Terra wins on more metrics (8 of 9), but the right pick depends on what you optimize for — see the breakdown below.

MetricAnthropic: Claude Opus 4.7OpenAI: GPT-5.6 Terra
Intelligence Index53.555.0✓
Coding Index73.676.7✓
GPQA Diamond91%93%✓
Design Arena Elo1332✓—
Speed (tokens/sec)6787✓
Latency1.7s1.7s✓
Input price /M$5.00$2.50✓
Output price /M$25.00$15.00✓
Context window1M1.1M✓
CapabilitiesReasoningToolsJSONVisionReasoningToolsJSONVision
Anthropic: Claude Opus 4.7 details →OpenAI: GPT-5.6 Terra details →