Anthropic: Claude Opus 4.7 vs OpenAI: GPT-4o-mini (2024-07-18)
Head-to-head API pricing and cost comparison between Anthropic’s Anthropic: Claude Opus 4.7 and OpenAI’s OpenAI: GPT-4o-mini (2024-07-18). Prices auto-refresh daily from OpenRouter.
OpenAI: GPT-4o-mini (2024-07-18) is 97% cheaper for input tokens; OpenAI: GPT-4o-mini (2024-07-18) also wins on output tokens.
Side-by-side comparison
| Spec | Anthropic: Claude Opus 4.7 | OpenAI: GPT-4o-mini (2024-07-18) |
|---|---|---|
| Input price (per 1M) | $5.00 | $0.15 |
| Cached input (per 1M) | $0.50 | $0.07 |
| Output price (per 1M) | $25.00 | $0.60 |
| Batch input (per 1M) | $2.50 | $0.07 |
| Batch output (per 1M) | $12.50 | $0.30 |
| Reasoning price (per 1M) | — | — |
| Context window | 1000K | 128K |
| Vision support | Yes | Yes |
| Caching support | Yes | Yes |
| Batch API | Yes | Yes |
| Reasoning capability | No | No |
Monthly cost at volume
Estimated monthly API spend at common production traffic levels (input/output tokens per request shown).
| Volume | Anthropic: Claude Opus 4.7 | OpenAI: GPT-4o-mini (2024-07-18) | Savings |
|---|---|---|---|
1K req/day 500in / 200out tokens | $225.00 | $5.85 | $219.15 OpenAI: GPT-4o-mini (2024-07-18) wins |
10K req/day 1500in / 500out tokens | $6,000 | $157.50 | $5,843 OpenAI: GPT-4o-mini (2024-07-18) wins |
100K req/day 3000in / 800out tokens | $105,000 | $2,790 | $102,210 OpenAI: GPT-4o-mini (2024-07-18) wins |
1M req/day 8000in / 2000out tokens | $2,700,000 | $72,000 | $2,628,000 OpenAI: GPT-4o-mini (2024-07-18) wins |
Adjust input/output token counts, request volume, batch & cached pricing.
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Frequently asked questions
Which is cheaper, Anthropic: Claude Opus 4.7 or OpenAI: GPT-4o-mini (2024-07-18)?
For input tokens, OpenAI: GPT-4o-mini (2024-07-18) is roughly 97% cheaper at $0.15/1M vs $5.00/1M. For output tokens, OpenAI: GPT-4o-mini (2024-07-18) wins at $0.60/1M. Real-world cost depends on your input/output ratio — use the calculator to model your actual workload.
What’s the context window difference?
Anthropic: Claude Opus 4.7 has a context window of 1000K tokens. OpenAI: GPT-4o-mini (2024-07-18) offers 128K tokens. Larger context windows are valuable for long documents, RAG pipelines, and multi-turn conversations — but they come with higher input-token bills if you fill them every request.
Should I use Anthropic: Claude Opus 4.7 or OpenAI: GPT-4o-mini (2024-07-18)?
Choose Anthropic: Claude Opus 4.7 if you’re already on the Anthropic stack, want broad ecosystem support, or prefer its feature set. Choose OpenAI: GPT-4o-mini (2024-07-18) for OpenAI’s ecosystem, native vision input, or its cheaper input tokens. Run a small benchmark on your own prompts before committing — price is only one axis.
How are these prices kept current?
Prices are pulled directly from OpenRouter’s public models API once every 24 hours via a Convex cron job, then normalized to per-1M-token figures. Last refresh: Apr 21, 2026.