LLM Reference

Claude Opus 4.7 vs Grok 4

Claude Opus 4.7 (2026) and Grok 4 (2025) are frontier-tier reasoning models from Anthropic and xAI. Claude Opus 4.7 ships a 1m-token context window, while Grok 4 ships a 256k-token context window. On SWE-bench Verified, Claude Opus 4.7 leads by 10.9 pts. On pricing, Grok 4 costs $1.25/1M input tokens versus $5/1M for the alternative. This comparison covers specs, pricing, API access, capabilities, benchmarks, input and output token costs, and production fit for coding and agent workloads.

Grok 4 is ~300% cheaper at $1.25/1M; pay for Claude Opus 4.7 only for coding workflow support.

Decision scorecard

Local evidence first
SignalClaude Opus 4.7Grok 4
Best forreasoning-heavy apps, multimodal apps, and tool-calling agentsreasoning-heavy apps, multimodal apps, and tool-calling agents
Decision fitCoding, RAG, and AgentsCoding, RAG, and Agents
Context window1m256k
Cheapest output$25/1M tokens$2.50/1M tokens
Provider routes6 tracked4 tracked
Shared benchmarksSWE-bench Verified leader4 shared

Decision tradeoffs

Choose Claude Opus 4.7 when...
  • Claude Opus 4.7 holds a shared-benchmark lead on SWE-bench Verified, ahead by 10.9 points.
  • Claude Opus 4.7 has the larger context window for long prompts, retrieval packs, or transcript analysis.
  • Claude Opus 4.7 has broader tracked provider coverage for fallback and route flexibility.
  • Local decision data tags Claude Opus 4.7 for Coding, RAG, and Agents.
Choose Grok 4 when...
  • Grok 4 has the lower cheapest tracked output price at $2.50/1M tokens.
  • Local decision data tags Grok 4 for Coding, RAG, and Agents.

Monthly cost at traffic

Estimate token spend from the cheapest tracked input and output route or tier on this page.

Lower estimate Grok 4

Claude Opus 4.7

$10,250

Cheapest tracked route/tier: Anthropic

Grok 4

$1,625

Cheapest tracked route/tier: xAI Console

Estimated monthly gap: $8,625. Batch, cache, alternate speed tiers, and negotiated pricing are excluded from this local estimate.

Switch friction

Claude Opus 4.7 -> Grok 4
  • Provider overlap exists on Microsoft Foundry and OpenRouter; start route-level A/B tests there.
  • Grok 4 is $22.50/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
Grok 4 -> Claude Opus 4.7
  • Provider overlap exists on Microsoft Foundry and OpenRouter; start route-level A/B tests there.
  • Claude Opus 4.7 is $22.50/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.

Specs

Specification
Released2026-04-162025-07-09
Context window1m256k
Parameters
ArchitectureDecoder OnlyDecoder Only
LicenseProprietaryProprietary
OpennessProprietaryProprietary
WeightsNot releasedNot released
CodeUnknownUnknown
Commercial useCommercial use: conditionalCommercial use: conditional
Knowledge cutoff2026-01-

Pricing and availability

Pricing attributeClaude Opus 4.7Grok 4
Input price$5/1M tokens$1.25/1M tokens
Output price$25/1M tokens$2.50/1M tokens
Providers

Capabilities

CapabilityClaude Opus 4.7Grok 4
VisionYesYes
MultimodalYesYes
ReasoningYesYes
JSON / Tool useYesYes
Structured outputsYesYes
Code executionYesYes
IDE integrationNoNo
Computer useNoNo
Parallel agentsNoNo

Benchmarks

BenchmarkClaude Opus 4.7Grok 4
SWE-bench Verified87.676.7
Google-Proof Q&A94.287.5
Humanity's Last Exam54.725.4
ARC-AGI-275.815.9

Continue comparing

Last reviewed: 2026-07-26. Data sourced from public model cards and provider documentation.