Claude Opus 4.6 vs Claude Opus 4.7

Why this pair: Consecutive Claude Opus releases

Benchmark Performance

Available Benchmarks

BenchmarkClaude Opus 4.6Claude Opus 4.7
ARC-AGI-1verified-v1-b2e2a31b3d53 · verified_score · leader94.00100% of row best · percent · Claude Opus 4.6 (120K, High)93.5099% of row best · percent · Claude 4.7 (High)
ARC-AGI-2verified-v2-326661568d5f · verified_score · leader69.1791% of row best · percent · Claude Opus 4.6 (120K, High)75.83100% of row best · percent · Claude 4.7 (Max)
LMArena Agent Arenaagent-2026-08-31-011508720696 · outcome_score · statistical tie5.2299% of row best · score · Claude Opus 4.6; 95% CI [3.87284067, 6.56107425]; sessions 36365; observations 1299912; rank 176.33100% of row best · score · Claude Opus 4.7; 95% CI [4.91001873, 7.74575053]; sessions 37121; observations 1470793; rank 10
LMArena Document Arenadocument-2026-07-30-011508720696 · arena_rating · statistical tie1,505.91100% of row best · rating · claude-opus-4-6-thinking; 95% CI [1498.85646357, 1512.96777060]; votes 24973; rank 31,497.0299% of row best · rating · claude-opus-4-7-thinking; 95% CI [1489.90818265, 1504.13387209]; votes 18793; rank 6
LMArena Search Arenasearch-2026-08-24-011508720696 · arena_rating · leader1,253.42100% of row best · rating · claude-opus-4-6-search; 95% CI [1248.44594166, 1258.38585709]; votes 134699; rank 21,233.2598% of row best · rating · claude-opus-4-7; 95% CI [1227.87374811, 1238.63530622]; votes 91394; rank 4
LMArena Text Arenatext-2026-09-01-011508720696 · arena_rating · leader1,497.70100% of row best · rating · claude-opus-4-6; 95% CI [1494.29292018, 1501.10380984]; votes 76032; rank 41,483.2199% of row best · rating · claude-opus-4-7; 95% CI [1479.33960820, 1487.07067536]; votes 61256; rank 10
LMArena Vision Arenavision-2026-08-27-011508720696 · arena_rating · statistical tie1,311.43100% of row best · rating · claude-opus-4-6; 95% CI [1304.90444379, 1317.95290154]; votes 25210; rank 71,316.40100% of row best · rating · claude-opus-4-7-high; 95% CI [1309.56408453, 1323.22870707]; votes 21137; rank 4
LiveBench2026-06-25 · overall · leader78.6997% of row best · percent · claude-opus-4-6-thinking-auto-high-effort · 9,651 output tokens / case80.97100% of row best · percent · claude-opus-4-7-xhigh-effort · 11,460 output tokens / case
ToneBench2026-08-28-10-task-cd9819ab6e4d · overall_score · leader84.2199% of row best · points · Claude Opus 4.6 · 2,607 output tokens / case85.49100% of row best · points · Claude Opus 4.7 · 2,578 output tokens / case
Overall ResultCounted from the protocol-matched rows above · 3 ties3 benchmark winsTied overall3 benchmark winsTied overall

Third-party benchmark Only like-for-like primary-publisher results are shown; raw scores, relative scores, configuration, and token spend remain visible.

FieldAt a Glance
Anthropic · activeClaude Opus 4.6Verified Sep 3, 2026
Anthropic · activeClaude Opus 4.7Verified Sep 3, 2026

Technical Differences

Side-by-Side Facts

CuratedIndexable
FieldClaude Opus 4.6Claude Opus 4.7
DeveloperAnthropicAnthropic
FamilyClaude 4Claude 4
ModelClaude Opus 4.6Claude Opus 4.7
VersionClaude Opus 4.6Claude Opus 4.7
Lifecycleactiveactive
Released2026-02-052026-04-16
Knowledge cutoff2025-05-012026-01-01
Input modalitiesText, ImageText, Image
Output modalitiesTextText
Context window1,000,0001,000,000
Total parametersUnknownUnknown
Active parametersUnknownUnknown
LicenseUnknownUnknown
Open weightsNoNo
API availableYesYes
Self-hostableNoNo
Provider accessAnthropic (Standard)Anthropic (Standard), Deepinfra (Standard)
Capabilitieschat, generation, reasoning, structured_outputs, toolschat, generation, reasoning, structured_outputs, tools

15 comparable fields · 5 material differences · Editorially curated pair passes the primary-source comparison gate

Claude Opus 4.6 Capabilities

chatgenerationreasoningstructured outputstools
Input price$5.00
Output price$25.00
Serving providers1
Canonical IDanthropic/claude-opus-4-6

Claude Opus 4.7 Capabilities

chatgenerationreasoningstructured outputstools
Input price$5.00
Output price$25.00
Serving providers2
Canonical IDanthropic/claude-opus-4-7

Primary Evidence

Sources and Freshness

Questions

Claude Opus 4.6 vs Claude Opus 4.7 FAQs

Is Claude Opus 4.6 or Claude Opus 4.7 better for coding?+

This comparison does not currently contain a protocol-matched coding benchmark for both Claude Opus 4.6 and Claude Opus 4.7, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.

Which is cheaper, Claude Opus 4.6 or Claude Opus 4.7?+

Claude Opus 4.6 is $5.00 and Claude Opus 4.7 is $5.00 per million tokens, so they are tied on this metric. Claude Opus 4.6 is $25.00 and Claude Opus 4.7 is $25.00 per million tokens, so they are tied on this metric.

Which has a larger context window, Claude Opus 4.6 or Claude Opus 4.7?+

Neither model has a larger sourced context window in this comparison. Claude Opus 4.6 is 1,000,000 and Claude Opus 4.7 is 1,000,000.

Which performs better in benchmarks, Claude Opus 4.6 or Claude Opus 4.7?+

There is no overall benchmark winner: The verified common benchmarks do not produce a majority winner.

Can Claude Opus 4.6 or Claude Opus 4.7 be self-hosted?+

Both models have the same recorded self-hosting status: unsupported. Claude Opus 4.6 is not marked open weight; Claude Opus 4.7 is not marked open weight.

Can Claude Opus 4.6 and Claude Opus 4.7 understand images?+

Claude Opus 4.6 is documented with image input; Claude Opus 4.7 is documented with image input. This reflects supported input modalities, not vision quality.

Which can generate longer answers, Claude Opus 4.6 or Claude Opus 4.7?+

Neither has a larger sourced maximum output. Claude Opus 4.6 is 128,000 and Claude Opus 4.7 is 128,000.

Do Claude Opus 4.6 and Claude Opus 4.7 support reasoning and tool use?+

Claude Opus 4.6: reasoning, tool calling, and image input. Claude Opus 4.7: reasoning, tool calling, and image input. Feature support does not establish relative quality.

Which is available from more inference providers, Claude Opus 4.6 or Claude Opus 4.7?+

Claude Opus 4.6 has 1 sourced provider route; Claude Opus 4.7 has 2, so Claude Opus 4.7 has broader tracked availability.

Which offers better value, Claude Opus 4.6 or Claude Opus 4.7?+

There is no universal value winner. Compare the input and output prices above with the matched benchmark result for your workload: cheaper tokens can be offset by different quality, token usage, latency, or provider availability.

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