Claude Opus 4.7 vs GPT-5: Detailed Comparison

Choosing between Claude Opus 4.7 (Anthropic) and GPT-5 (OpenAI) comes down to three things: per-token pricing, context window, and which capability matters most for your workload. Claude Opus 4.7 costs $15.00/M input vs $1.25/M for GPT-5; context windows are 200K vs 400K tokens. Detailed breakdown below.

Side-by-side specs

SpecClaude Opus 4.7GPT-5
ProviderAnthropicOpenAI
Released2026-04-222025-08-07
Input price $15.00/M $1.25/M
Output price $75.00/M $10.00/M
Cached input $1.5000/M $0.1300/M
Context window 200K 400K
Max output 64K 128K
Modalities text image text image
Tokenizer claude-3 o200k_base

Capability matrix

CapabilityClaude Opus 4.7GPT-5
function calling Yes Yes
json mode Yes Yes
vision Yes Yes
streaming Yes Yes
tool use Yes No
reasoning No Yes

Benchmark comparison

Higher is better for all benchmarks shown.

BenchmarkCategoryClaude Opus 4.7GPT-5Δ
GPQA Diamond reasoning 83.1 85.7 -2.6
SWE-bench Verified coding 77.2 74.9 +2.3
Aider Polyglot coding 81.5
MMLU-Pro general 88.4
AIME 2025 math 94.6

Per-call cost on typical workloads

Workload (in/out tokens)Claude Opus 4.7GPT-5Cheaper by
Standard chat (1K / 500) $0.052500 $0.006250 GPT-5 by $0.046250
RAG (4K / 500) $0.097500 $0.010000 GPT-5 by $0.087500
Long doc (20K / 1K) $0.375000 $0.035000 GPT-5 by $0.340000
Very long context (100K / 2K) $1.612500 $0.140000 GPT-5 by $1.472500

When to choose Claude Opus 4.7 over GPT-5

  • Supports tool use — GPT-5 does not.

When to choose GPT-5 over Claude Opus 4.7

  • Per-token input cost is 92% lower than Claude Opus 4.7.
  • Larger context window (400K vs 200K).
  • Supports reasoning — Claude Opus 4.7 does not.

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