Live pricing — last refreshed May 26, 2026

Anthropic: Claude Opus 4.7 (Fast) vs OpenAI: GPT Chat Latest

Head-to-head API pricing and cost comparison between Anthropic’s Anthropic: Claude Opus 4.7 (Fast) and OpenAI’s OpenAI: GPT Chat Latest. Prices auto-refresh daily from OpenRouter.

Verdict

OpenAI: GPT Chat Latest is 83% cheaper for input tokens; OpenAI: GPT Chat Latest also wins on output tokens.

Side-by-side comparison

SpecAnthropic: Claude Opus 4.7 (Fast)OpenAI: GPT Chat Latest
Input price (per 1M)$30.00$5.00
Cached input (per 1M)$3.00$0.50
Output price (per 1M)$150.00$30.00
Batch input (per 1M)$15.00$2.50
Batch output (per 1M)$75.00$15.00
Reasoning price (per 1M)
Context window1000K400K
Vision supportYesYes
Caching supportYesYes
Batch APIYesYes
Reasoning capabilityNoNo

Monthly cost at volume

Estimated monthly API spend at common production traffic levels (input/output tokens per request shown).

VolumeAnthropic: Claude Opus 4.7 (Fast)OpenAI: GPT Chat LatestSavings
1K req/day
500in / 200out tokens
$1,350$255.00$1,095
OpenAI: GPT Chat Latest wins
10K req/day
1500in / 500out tokens
$36,000$6,750$29,250
OpenAI: GPT Chat Latest wins
100K req/day
3000in / 800out tokens
$630,000$117,000$513,000
OpenAI: GPT Chat Latest wins
1M req/day
8000in / 2000out tokens
$16,200,000$3,000,000$13,200,000
OpenAI: GPT Chat Latest wins
Open in interactive calculator →

Adjust input/output token counts, request volume, batch & cached pricing.

Related comparisons

Frequently asked questions

Which is cheaper, Anthropic: Claude Opus 4.7 (Fast) or OpenAI: GPT Chat Latest?

For input tokens, OpenAI: GPT Chat Latest is roughly 83% cheaper at $5.00/1M vs $30.00/1M. For output tokens, OpenAI: GPT Chat Latest wins at $30.00/1M. 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 (Fast) has a context window of 1000K tokens. OpenAI: GPT Chat Latest offers 400K 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 (Fast) or OpenAI: GPT Chat Latest?

Choose Anthropic: Claude Opus 4.7 (Fast) if you’re already on the Anthropic stack, want broad ecosystem support, or prefer its feature set. Choose OpenAI: GPT Chat Latest 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: May 26, 2026.