Skip to main content
TC
TokenCost

Claude Opus 4.6 vs GPT-5

Complete pricing and performance comparison between Anthropic's Claude Opus 4.6 and OpenAI's GPT-5.

Quick Verdict

Cheaper
GPT-5
4.0x cheaper input, 2.5x cheaper output
Larger Context
GPT-5
400K vs 200K
Higher Quality
Claude Opus 4.6
Score: 47 vs 45
Faster
GPT-5
60 vs 56 tok/s

Pricing Comparison

SpecClaude Opus 4.6GPT-5Difference
ProviderAnthropicOpenAI
Input / 1M tokens$5$1.25GPT-5 is 75% more expensive
Output / 1M tokens$25$10GPT-5 is 60% more expensive
Context Window200K400K2x difference
Max Output32K16K
Tokenizercl100k_baseo200k_base

Performance Benchmarks

MetricClaude Opus 4.6GPT-5Winner
Quality Index4745Claude Opus 4.6
Output Speed56 tok/s60 tok/sGPT-5
Time to First Token1.77s117.69sClaude Opus 4.6
Value (Quality/$)9.335.7Higher = better value

Benchmark data from Artificial Analysis. Quality Index is a composite score across reasoning, coding, and knowledge tasks.

Cost at Scale

Estimated cost at different usage levels (3:1 input-to-output token ratio, typical for chat).

UsageClaude Opus 4.6GPT-5Savings
Single request
1K in / 300 out
$0.013$0.0042GPT-5 saves $0.0083
10 requests
10K in / 3K out
$0.125$0.042GPT-5 saves $0.083
100 requests
100K in / 30K out
$1.25$0.425GPT-5 saves $0.825
1,000 requests
1M in / 300K out
$12.50$4.25GPT-5 saves $8.25
10,000 requests
10M in / 3M out
$125.00$42.50GPT-5 saves $82.50
1M requests/mo
1B in / 300M out
$12500.00$4250.00GPT-5 saves $8250.00

Pros & Cons

Claude Opus 4.6 Strengths

  • +Higher max output tokens
  • +Higher quality score (47 vs 45)
  • +Lower latency (faster first token)

GPT-5 Strengths

  • +Cheaper input tokens
  • +Cheaper output tokens
  • +Larger context window (400K vs 200K)
  • +Faster output (60 vs 56 tok/s)

When to Use Each Model

Choose Claude Opus 4.6 for

  • Generating long-form content or detailed code
  • Tasks requiring maximum accuracy and reasoning

Choose GPT-5 for

  • Budget-conscious projects where cost is the primary factor
  • Long documents, large codebases, or multi-turn conversations
  • Real-time applications, chat, or autocomplete

Frequently Asked Questions

Which is cheaper, Claude Opus 4.6 or GPT-5?
For input tokens, GPT-5 is 4.0x cheaper at $1.25/1M tokens. For output tokens, GPT-5 is 2.5x cheaper at $10/1M tokens. At typical usage (1M input + 300K output), Claude Opus 4.6 costs $12.50 vs GPT-5 at $4.25.
What's the context window difference?
Claude Opus 4.6 supports 200K context (200,000 tokens), while GPT-5 supports 400K (400,000 tokens). GPT-5 can handle 2x more context in a single request.
Which model has better benchmarks?
Quality Index: Claude Opus 4.6 scores 47 vs GPT-5 at 45. Speed: Claude Opus 4.6 generates 56 tok/s vs GPT-5 at 60 tok/s. Time to first token: Claude Opus 4.6 at 1.77s vs GPT-5 at 117.69s.
When should I choose Claude Opus 4.6 over GPT-5?
Choose Claude Opus 4.6 when you need: Higher max output tokens, Higher quality score (47 vs 45), Lower latency (faster first token). Choose GPT-5 when you need: Cheaper input tokens, Cheaper output tokens, Larger context window (400K vs 200K), Faster output (60 vs 56 tok/s).
How much would 10,000 API requests cost?
At 1K input + 300 output tokens per request (typical chat): Claude Opus 4.6 = $125.00, GPT-5 = $42.50. At 10K input + 1K output per request (longer conversations): Claude Opus 4.6 = $750.00, GPT-5 = $225.00.

Related Comparisons