Claude 4 Opus vs GPT-5
Deprecated Anthropic premium vs OpenAI flagship — 92% cheaper input, 87% cheaper output. The direct premium competitor comparison for Claude 4 migration.
Pricing data verified: Jun 9, 2026
| Specification | Claude 4 Opus | GPT-5 |
|---|---|---|
| Input Price (per 1M tokens) | $15.00 | $1.25 |
| Output Price (per 1M tokens) | $75.00 | $10.00 |
| Context Window | 200K tokens | 272K tokens |
| Tier | Premium | Premium |
| Provider | Anthropic | OpenAI |
| License | Proprietary | Proprietary |
| Self-Hostable | No | No |
| Status | Deprecated Jun 15 | Active |
| Cost at 1M input + 500K output | $52.50 | $6.25 |
Calculate Your Exact Costs
Enter your usage to see how much you save by migrating from Claude 4 Opus to GPT-5.
Which Model for Which Use Case?
Claude 4 Opus Migration
With Claude 4 Opus deprecating June 15, GPT-5 offers the most direct premium alternative — 92% cheaper with 36% more context. Same tier, dramatically lower cost.
Complex Reasoning & Code
GPT-5 excels at complex reasoning, code generation, and multimodal tasks — the same use cases where Claude 4 Opus was strongest. The 272K context handles longer documents than Opus's 200K.
Direct Anthropic Successor
If you need Anthropic's ecosystem and style, Claude Opus 4.8 ($5/$25) is the direct successor — 67% cheaper than Claude 4 Opus with 5x more context (1M tokens).
Maximum Cost Savings
For workloads where quality is important but budget matters, GPT-5 at $1.25/$10 is 92% cheaper than Claude 4 Opus. For even deeper savings, consider Llama 4 Maverick ($0.27/$0.85) — 98% cheaper with 1M context.
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Frequently Asked Questions
Is GPT-5 cheaper than Claude 4 Opus?
Yes, dramatically. Claude 4 Opus costs $15.00/M input and $75.00/M output. GPT-5 costs $1.25/M input and $10.00/M output. GPT-5 is 92% cheaper on input and 87% cheaper on output. For a typical workload of 1M input + 500K output tokens/month, GPT-5 costs $6.25 vs Claude 4 Opus's $52.50 — saving you $46.25/month (88%).
How does GPT-5 quality compare to Claude 4 Opus?
Claude 4 Opus was Anthropic's flagship model with excellent reasoning and coding capabilities, but it's being deprecated on June 15, 2026. GPT-5 from OpenAI is a direct competitor with a 272K token context window — 36% larger than Claude 4 Opus's 200K. GPT-5 excels at complex reasoning, code generation, and multimodal tasks. For Opus-level quality at a lower price, GPT-5 is the most direct premium alternative.
What happens when Claude 4 Opus deprecates on June 15?
After June 15, 2026, Claude 4 Opus API calls will fail with errors. You must migrate to a replacement model. Options: (1) GPT-5 ($1.25/$10) — 92% cheaper, 272K context, direct premium competitor. (2) Claude Opus 4.8 ($5/$25) — direct Anthropic successor, 67% cheaper with 5x more context. (3) Llama 4 Maverick ($0.27/$0.85) — 98% cheaper, open source, 1M context. (4) DeepSeek V4 Pro ($0.44/$0.87) — budget open source with 1M context.
Can GPT-5 handle the same tasks as Claude 4 Opus?
Yes. GPT-5 handles complex reasoning, code generation, document analysis, and multimodal tasks that previously required Claude 4 Opus. GPT-5's 272K context window handles longer documents than Opus's 200K. The API is compatible with OpenAI's SDK, making migration straightforward. For tasks that specifically need Anthropic's style, Claude Opus 4.8 ($5/$25) is the direct successor.