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Recommendation · Coding copilot

Best evidence-backed choice for Coding copilot with all public sources: Claude Opus 5.5 (Adaptive Reasoning, Xhigh Effort, Default Fallback).

Claude Opus 5.5 (Adaptive Reasoning, Xhigh Effort, Default Fallback)Anthropic · mid
Verified & stable

The main warning is thinner evidence on Long context.

Direct sources
16
Coverage
100%
Data version
Oct 3, 2026
Compare top optionsShare this report
Evidence behind the call
Data version Oct 3, 202616 direct source linksNo excluded sourcesAll public sources
What the data can support5 ready, 1 partial, 1 missing for the current task result.
Minimum source requirementenough direct data · enough direct data · enough direct data · enough direct data
Cost / latencyLatency is unavailable in the current verified source data.
Best pickClaude Opus 5.5 (Adaptive Reasoning, Xhigh Effort, Default Fallback)
Runner-upClaude Fable 5.1 (Adaptive Reasoning, Xhigh Effort, Default Fallback)
Coverage100% visible · 100% checked
PresetCoding copilot
SourcesAll public sources
Latest strong source dataOct 3, 2026
Where sources differ4 source rows behind this answer
1
Claude Opus 5.5 (Adaptive Reasoning, Xhigh Effort, Default Fallback)Artificial Analysis · CritPt · 31.714 · #5 · 100pctl
used for answer
2
Claude Opus 5.5 (Adaptive Reasoning, Xhigh Effort, Default Fallback)Artificial Analysis · SciCode · 65.046 · #2 · 99pctl
used for answer
3
Claude Opus 5.5 (Adaptive Reasoning, Xhigh Effort, Default Fallback)Artificial Analysis · Humanity's Last Exam · 57.507 · #4 · 99pctl
used for answer
4
Claude Opus 5.5 (Adaptive Reasoning, Xhigh Effort, Default Fallback)Artificial Analysis · Long Context Reasoning · 84.667 · #7 · 99pctl
used for answer
Compare top optionsOpen comparison tableCoverage report
Ranked options

Direct matches first, then weaker or missing-data cases

Direct matches stay strict; strong models with indirect data still surface below. Open a row for its scores, source links, and caveats.

Primary group · Direct-match leaders
#1Claude Opus 5.5 (Adaptive Reasoning, Xhigh Effort, Default Fallback)Anthropic · mid100.0100% visible
enough direct data · recent · strong · clearmid-priced price band from registry metadataLatency is unavailable in the current verified source data.
Verified and stable0.6% score spread · 100% recent data · exact alias
Fit score100.0
Strongest source datareasoning math science · coding

Claude Opus 5.5 (Adaptive Reasoning, Xhigh Effort, Default Fallback) is strongest on Reasoning / math / science and Coding for this preset.

  • Last updated: Latest visible source row is 1 day old.
  • Where sources differ: 1-point cross-domain spread; warning threshold is 30.
  • Data checks: No open review item was matched to this recommendation.

The main warning is thinner evidence on Long context.

Verified rows
4
Hand-checked rows
0
Copied rows
0
Backfilled rows
0
Headline lane
Oct 3, 2026
Background data
No extra context
Formula recommendation-fit-v2.0.0.
Source linksArtificial AnalysisCritPt · 31.714 · #5 · 100pctlArtificial AnalysisSciCode · 65.046 · #2 · 99pctlArtificial AnalysisHumanity's Last Exam · 57.507 · #4 · 99pctl
Measured by
public third-party sources
Source basis
exact alias
Compared fairly because
same test setup, version groups, source-balanced before averaging
Open model
Open compare
#2Claude Fable 5.1 (Adaptive Reasoning, Xhigh Effort, Default Fallback)Anthropic · mid100.0100% visible
enough direct data · recent · strong · clearmid-priced price band from registry metadataLatency is unavailable in the current verified source data.
Verified and stable2.1% score spread · 100% recent data · exact direct
Fit score100.0
Strongest source datareasoning math science · coding

Claude Fable 5.1 (Adaptive Reasoning, Xhigh Effort, Default Fallback) is strongest on Reasoning / math / science and Coding for this preset.

  • Last updated: Latest visible source row is 1 day old.
  • Where sources differ: 2-point cross-domain spread; warning threshold is 30.
  • Data checks: No open review item was matched to this recommendation.

The main warning is thinner evidence on Long context.

Verified rows
6
Hand-checked rows
0
Copied rows
0
Backfilled rows
0
Headline lane
Oct 3, 2026
Background data
No extra context
Formula recommendation-fit-v2.0.0.
Source linksArtificial AnalysisHumanity's Last Exam · 58.712 · #3 · 100pctlArtificial AnalysisCritPt · 31.143 · #9 · 98pctlArtificial AnalysisSciCode · 60.88 · #8 · 97pctl
Measured by
public third-party sources
Source basis
exact direct
Compared fairly because
same test setup, version groups, source-balanced before averaging
Open model
Open compare
#3claude-opus-5.5-highAnthropic · mid100.0100% visible
enough direct data · recent · strong · clearmid-priced price band from registry metadataLatency is unavailable in the current verified source data.
Verified and stable3.5% score spread · 100% recent data · exact alias
Fit score100.0
Strongest source datareasoning math science · coding

claude-opus-5.5-high is strongest on Reasoning / math / science and Coding for this preset.

  • Last updated: Latest visible source row is 1 day old.
  • Where sources differ: 4-point cross-domain spread; warning threshold is 30.
  • Data checks: No open review item was matched to this recommendation.

The main warning is thinner evidence on Long context.

Verified rows
8
Hand-checked rows
0
Copied rows
0
Backfilled rows
0
Headline lane
Oct 3, 2026
Background data
No extra context
Formula recommendation-fit-v2.0.0.
Source linksArenaText Arena · Coding · No Style Control · 1,534.804 · #3 · 99pctlArtificial AnalysisHumanity's Last Exam · 55.561 · #7 · 99pctlArenaText Arena · Math · 1,510.481 · #8 · 98pctl
Measured by
public third-party sources
Source basis
exact alias
Compared fairly because
same test setup, version groups, source-balanced before averaging
Open model
Open compare
#4Claude Opus 5.5 (Adaptive Reasoning, Medium Effort, Default Fallback)Anthropic · mid100.0100% visible
enough direct data · recent · strong · clearmid-priced price band from registry metadataLatency is unavailable in the current verified source data.
Verified and stable4.6% score spread · 100% recent data · exact alias
Fit score100.0
Strongest source datalong context · reasoning math science

Claude Opus 5.5 (Adaptive Reasoning, Medium Effort, Default Fallback) is strongest on Long context and Reasoning / math / science for this preset.

  • Last updated: Latest visible source row is 1 day old.
  • Where sources differ: 5-point cross-domain spread; warning threshold is 30.
  • Data checks: No open review item was matched to this recommendation.

The main warning is thinner evidence on Coding.

Verified rows
4
Hand-checked rows
0
Copied rows
0
Backfilled rows
0
Headline lane
Oct 3, 2026
Background data
No extra context
Formula recommendation-fit-v2.0.0.
Source linksArtificial AnalysisLong Context Reasoning · 84.333 · #8 · 98pctlArtificial AnalysisHumanity's Last Exam · 54.727 · #11 · 98pctlArtificial AnalysisCritPt · 27.714 · #27 · 95pctl
Measured by
public third-party sources
Source basis
exact alias
Compared fairly because
same test setup, version groups, source-balanced before averaging
Open model
Open compare
#5gemini-4-argon-highGoogle · mid100.0100% visible
Source status unavailablemid price bandLatency unavailable
Verified and stable9.9% score spread · 100% recent data · exact alias
Fit score100.0
Strongest source datacoding · reasoning math science

gemini-4-argon-high is strongest on Coding and Reasoning / math / science for this preset.

The main warning is thinner evidence on Long context.

Verified rows
16
Hand-checked rows
0
Copied rows
0
Backfilled rows
0
Headline lane
Oct 3, 2026
Background data
No extra context
Formula recommendation-fit-v2.0.0.

No source link clears the minimum source requirement.

Measured by
public third-party sources
Source basis
exact alias
Compared fairly because
same test setup, version groups, source-balanced before averaging
Open model
Open compare
Evidence & limits

Read the argument before you commit

Why this is the top optiontop reasons behind the current answer
  • Claude Opus 5.5 (Adaptive Reasoning, Xhigh Effort, Default Fallback) leads this preset with a 100.0 weighted fit score.
  • Its strongest visible evidence comes from Reasoning / math / science and Coding.
  • Coverage sits at 100%, with 100% backed by verified runtime or manual verification.
What to pressure testwhere the current answer is still fragile
  • Runner-up edge · Claude Fable 5.1 (Adaptive Reasoning, Xhigh Effort, Default Fallback): Claude Fable 5.1 (Adaptive Reasoning, Xhigh Effort, Default Fallback) is strongest on Reasoning / math / science and Coding for this preset.
  • Evidence risk: The main warning is thinner evidence on Long context.
What would flip the answerthe assumptions the result rests on
  • If you tighten benchmark spread: Claude Opus 5.5 (Adaptive Reasoning, Xhigh Effort, Default Fallback) still holds if you care more about aligned evidence than upside.
  • If you tighten recency: Claude Opus 5.5 (Adaptive Reasoning, Xhigh Effort, Default Fallback) remains viable because the visible evidence is still fairly fresh.
  • If you require open-weight: No open-weight model currently clears the same evidence floor.
  • If cost and speed matter more: Claude Opus 5.5 (Adaptive Reasoning, Xhigh Effort, Default Fallback)
Why this is not a clean winlimitations to keep in mind
  • The main warning is thinner evidence on Long context.
  • Claude Fable 5.1 (Adaptive Reasoning, Xhigh Effort, Default Fallback) remains close enough that a different scoring recipe can still flip the public answer.
Source links6 rows behind this answer
Data limitswhere the public data is thin
  • cost: partial · Only registry price bands are ready; exact price calculations are not shown.
  • latency: missing · Latency is not available in the current verified shortlist data.
Not chosen6 well-known models left off

Gemini 3.5 Flash

Closest option

  • Gemini 3.5 Flash has direct evidence on part of this preset, but not enough to clear the exact-match floor.
Open model

grok-4.5

Closest option

  • grok-4.5 has direct evidence on part of this preset, but not enough to clear the exact-match floor.
Open model

grok-4.6-high

Closest option

  • grok-4.6-high has direct evidence on part of this preset, but not enough to clear the exact-match floor.
Open model

gemini-3.8-flash-high

Closest option

  • gemini-3.8-flash-high has direct evidence on part of this preset, but not enough to clear the exact-match floor.
Open model

GPT-5.4

Closest option

  • GPT-5.4 has direct evidence on part of this preset, but not enough to clear the exact-match floor.
Open model

Claude Fable 5

Known current model

  • Current generated catalog does not have enough matching source links for this task preset.
Open model
Needs more source data12 tracked models with thin public data

Gemini 3.5 Flash

Google · 100% visible · 100% direct · 0% indirect

Gemini 3.5 Flash has direct evidence on part of this preset, but not enough to clear the exact-match floor.

reasoning math sciencecoding
Open model

grok-4.5

xAI · 100% visible · 100% direct · 0% indirect

grok-4.5 has direct evidence on part of this preset, but not enough to clear the exact-match floor.

reasoning math sciencelong context
Open model

grok-4.6-high

xAI · 100% visible · 100% direct · 0% indirect

grok-4.6-high has direct evidence on part of this preset, but not enough to clear the exact-match floor.

reasoning math sciencecoding
Open model

gemini-3.8-flash-high

Google · 100% visible · 100% direct · 0% indirect

gemini-3.8-flash-high has direct evidence on part of this preset, but not enough to clear the exact-match floor.

reasoning math sciencecoding
Open model

GPT-5.4

OpenAI · 100% visible · 100% direct · 0% indirect

GPT-5.4 has direct evidence on part of this preset, but not enough to clear the exact-match floor.

reasoning math sciencecoding
Open model

GPT-5.5

OpenAI · 100% visible · 100% direct · 0% indirect

GPT-5.5 has direct evidence on part of this preset, but not enough to clear the exact-match floor.

reasoning math sciencecoding
Open model

GPT-5.6 Sol

OpenAI · 100% visible · 100% direct · 0% indirect

GPT-5.6 Sol has direct evidence on part of this preset, but not enough to clear the exact-match floor.

reasoning math sciencecoding
Open model

qwen3.8-max

Qwen · 100% visible · 100% direct · 0% indirect

qwen3.8-max has direct evidence on part of this preset, but not enough to clear the exact-match floor.

reasoning math sciencecoding
Open model

gemini-3.6-flash-high

Google · 100% visible · 100% direct · 0% indirect

gemini-3.6-flash-high has direct evidence on part of this preset, but not enough to clear the exact-match floor.

reasoning math sciencecoding
Open model

gemini-3.7-flash-high

Google · 100% visible · 100% direct · 0% indirect

gemini-3.7-flash-high has direct evidence on part of this preset, but not enough to clear the exact-match floor.

reasoning math sciencecoding
Open model

glm-5.2-max

Zhipu · 100% visible · 100% direct · 0% indirect

glm-5.2-max has direct evidence on part of this preset, but not enough to clear the exact-match floor.

codingreasoning math science
Open model

glm-5.3-flash

Zhipu · 100% visible · 100% direct · 0% indirect

glm-5.3-flash has direct evidence on part of this preset, but not enough to clear the exact-match floor.

reasoning math sciencecoding
Open model

Shareable claims with evidence

The product should generate public claims worth checking, not just filter state.

Open change report
alert
13 review items still need manual judgment

The product keeps parser and mapping ambiguity visible instead of silently guessing.

Open
sources
Artificial Analysis moved via source updated leaderboard

The saved raw source snapshot changed relative to the previous run. Window: 2026-10-03T11:41:25Z -> 2026-10-03T11:42:08Z.

Open
models
BridgeBench moved via new benchmark coverage

10 benchmark rows were added, 10 removed, and 0 existing rows changed value or evaluation date. Window: 2026-05-15T16:26:59Z -> 2026-05-15T16:34:46Z.

Open
sources
Scale Labs moved via source updated leaderboard

The saved raw source snapshot changed relative to the previous run. Window: 2026-10-03T11:41:42Z -> 2026-10-03T11:42:34Z.

Open
product
Initial comparison-table release

Added comparison-table homepage, same-test normalization, per-cell source links, source pages, and custom-ranking preview.

Open

What changed this week

alert
13 review items still need manual judgment

The product keeps parser and mapping ambiguity visible instead of silently guessing.

Open
sources
Artificial Analysis moved via source updated leaderboard

The saved raw source snapshot changed relative to the previous run. Window: 2026-10-03T11:41:25Z -> 2026-10-03T11:42:08Z.

Source-data window: 2026-10-03T11:41:25Z -> 2026-10-03T11:42:08Z

Open
models
BridgeBench moved via new benchmark coverage

10 benchmark rows were added, 10 removed, and 0 existing rows changed value or evaluation date. Window: 2026-05-15T16:26:59Z -> 2026-05-15T16:34:46Z.

Source-data window: 2026-05-15T16:26:59Z -> 2026-05-15T16:34:46Z

Open reportModelBenchmarkSource
sources
Scale Labs moved via source updated leaderboard

The saved raw source snapshot changed relative to the previous run. Window: 2026-10-03T11:41:42Z -> 2026-10-03T11:42:34Z.

Source-data window: 2026-10-03T11:41:42Z -> 2026-10-03T11:42:34Z

Open
product
Initial comparison-table release

Added comparison-table homepage, same-test normalization, per-cell source links, source pages, and custom-ranking preview.

Source-data window: 2026-04-16

Open changelog
models
Methodology contract published

Documented comparability rules, raw-vs-normalized behavior, and why unlike metrics are never averaged by default.

Source-data window: 2026-04-16

models
Artificial Analysis ID rule adopted

Stable model and creator IDs are now the preferred external identity keys when available.

Source-data window: 2026-04-15

models
BridgeBench parser fallback added

Added alternate selectors for category headers after leaderboard markup drift.

Source-data window: 2026-04-15

Data version

Current snapshot.

Published Oct 3, 2026Model list checked4 stale sources105 claim warnings9 providers · 1334 tracked models

Freshness is calculated at request time. Failed sources retain their last verified rows with a visible age penalty. View live data status.

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