API cost decision in 10 seconds

NewClaude Opus 4.7 (Fast) vs GPT-5.2 Pro

The standard workload cost is tied; choose by context window, provider fit, latency, or model quality.

Pricing data updated: 2026-05-26T11:08:00Z Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

The standard workload cost is tied; choose by context window, provider fit, latency, or model quality.

Both models are estimated at $105 for the standard 1M input plus 500K output workload.

Cost-first pickTie

Context-first pickClaude Opus 4.7 (Fast)

Sample savings$00%

10x traffic gap$0

Context-window winner: Claude Opus 4.7 (Fast). Cost does not separate this pair on the standard workload, so the next decision point is context window and model behavior.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

Cost winner changes by workload shape: input-heavy / RAG favors GPT-5.2 Pro, balanced workload favors Claude Opus 4.7 (Fast), and output-heavy chatbot favors Claude Opus 4.7 (Fast).

Workload shape	Token mix	Better pick	Claude Opus 4.7 (Fast)	GPT-5.2 Pro
Input-heavy / RAG	5M input + 500K output	GPT-5.2 Pro	$225	$189
Balanced workload	1M input + 1M output	Claude Opus 4.7 (Fast)	$180	$189
Output-heavy chatbot	1M input + 5M output	Claude Opus 4.7 (Fast)	$780	$861

Cheaper input GPT-5.2 Pro $30 vs $21 / 1M

GPT-5.2 Pro is $9 cheaper per 1M input tokens (30% lower; 1.43x difference).

Cheaper output Claude Opus 4.7 (Fast) $150 vs $168 / 1M

Claude Opus 4.7 (Fast) is $18 cheaper per 1M output tokens (10.7% lower; 1.12x difference).

Larger context Claude Opus 4.7 (Fast) 1M vs 400K

Claude Opus 4.7 (Fast) has 600K more context (2.5x larger).

Sample workload Tie $105 vs $105

Both models have the same estimated cost for the standard 1M input plus 500K output workload: $105.

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.

Monthly input tokens Monthly output tokens

Claude Opus 4.7 (Fast) Calculating… Estimated API cost

GPT-5.2 Pro Calculating… Estimated API cost

Cheaper for this workload Calculating… Difference: calculating…

This estimate uses normalized public API pricing per 1M tokens. It is a planning aid, not a billing quote. Verify provider pricing, limits, and terms before production use.

Quick Decision

Verdict

GPT-5.2 Pro has the lower input price; Claude Opus 4.7 (Fast) has the lower output price; Claude Opus 4.7 (Fast) offers the larger context window. For the 1M input plus 500K output sample, the standard workload cost is tied.

For a 1M input token plus 500K output token workload, the estimated API cost is $105 for Claude Opus 4.7 (Fast) and $105 for GPT-5.2 Pro.

Best Fit

Choose Claude Opus 4.7 (Fast) when you care most about lower output-token price, and larger context window.

Choose GPT-5.2 Pro when you care most about lower input-token price.

Decision Notes

Both models are estimated at $105 for the standard 1M input plus 500K output workload.
Both models have the same estimated cost for the standard 1M input plus 500K output workload: $105.
GPT-5.2 Pro is $9 cheaper per 1M input tokens (30% lower; 1.43x difference).
Claude Opus 4.7 (Fast) is $18 cheaper per 1M output tokens (10.7% lower; 1.12x difference).
Claude Opus 4.7 (Fast) has 600K more context (2.5x larger).

Head-to-Head Specs

Feature	NewClaude Opus 4.7 (Fast) (Anthropic)	GPT-5.2 Pro (OpenAI)
Input Price prompt tokens per 1M	$30	$21
Completion Price per 1M tokens	$150	$168
Sample Workload Cost 1M input + 500K output	$105	$105
Context Window	1M	400K
Release Date	2026-05-12	2025-12-10

Use-Case Decision Matrix

Use case	Better pick	Why
Budget-constrained production	Tie	Both models are estimated at $105 for the standard 1M input plus 500K output workload.
High-volume input processing	GPT-5.2 Pro	Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbots	Claude Opus 4.7 (Fast)	Lower output-token price matters most when assistants generate many completion tokens.
RAG or long-document work	Claude Opus 4.7 (Fast)	A larger context window leaves more room for retrieved passages, conversation history, or source files.

Related Alternatives

Same-provider lower-cost swaps

Claude 3 Haiku can replace Claude Opus 4.7 (Fast) when lower sample workload cost matters most: $0.88.
Claude 3.5 Haiku can replace Claude Opus 4.7 (Fast) when lower sample workload cost matters most: $2.8.
Anthropic Claude Haiku Latest can replace Claude Opus 4.7 (Fast) when lower sample workload cost matters most: $3.5.
Claude Haiku 4.5 can replace Claude Opus 4.7 (Fast) when lower sample workload cost matters most: $3.5.

Larger context near this budget

Llama 4 Scout offers 10M context with $0.23 sample workload cost.
Grok 4.20 Multi-Agent offers 2M context with $5 sample workload cost.
Grok 4.20 offers 2M context with $2.5 sample workload cost.
OpenAI GPT Latest offers 1.05M context with $20 sample workload cost.

Popular competitors

No popular competitor is currently available.

Cheaper alternatives

Review low-cost models sorted by a standard 1M input plus 500K output workload.

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Larger context alternatives

Find models with larger context windows for RAG, long documents, and codebase review.

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Provider catalogs

Compare models within provider hubs before choosing a final API vendor.

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Anthropic catalog

Review all tracked Anthropic models before deciding whether this matchup is the right shortlist.

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OpenAI catalog

Check other OpenAI models with comparable pricing, context, or release timing.

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Claude Opus 4.7 (Fast)

Fast-mode variant of [Opus 4.7](/anthropic/claude-opus-4.7) - identical capabilities with higher output speed at premium 6x pricing. Learn more in Anthropic's docs: https://platform.claude.com/docs/en/build-with-claude/fast-mode

GPT-5.2 Pro

GPT-5.2 Pro is OpenAI’s most advanced model, offering major improvements in agentic coding and long context performance over GPT-5 Pro. It is optimized for complex tasks that require step-by-step reasoning,...