Claude Sonnet 4.6 vs GPT-5 Medium: Specs & Benchmark Comparison

CharacteristicClaude Sonnet 4.6GPT-5 Medium
CompanyAnthropicOpenAI
Release DateFebruary 17, 2026August 6, 2025
Parameters
MultimodalYesYes
Context (input)200K400K
Context (output)64K64K
Input Price / 1M$3.00$0.75
Output Price / 1M$15.00$3.00
Average Score0.70.9
Benchmarks
GPQA0.90.9

Visual Benchmark Comparison

Claude Sonnet 4.6
GPT-5 Medium
GPQA0.9 vs 0.9
0.9
0.9

Verdict

GPT-5 Medium leads in 2 out of 4 comparison categories.

Overall Performance

Both models show comparable average scores: Claude Sonnet 4.6 — 0.7, GPT-5 Medium — 0.9.

API Cost

GPT-5 Medium is 4.8x cheaper: input $0.75/1M vs $3.00/1M tokens.

Context Window

GPT-5 Medium supports a larger context: 400K vs 200K tokens.

Recency

Claude Sonnet 4.6 is newer: released 2/17/2026 vs 8/6/2025.

More About These Models

Related Comparisons

The Claude Sonnet 4.6 and GPT-5 Medium comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Claude Sonnet 4.6 or GPT-5 Medium page. See also the complete list of AI model comparisons.