Both are Anthropic models. Claude Opus 4.8 is the newer, generally stronger default; reach for Claude Opus 4.7 when its lower price or specific profile matters more than the latest capabilities.
Claude Opus 4.7 and Claude Opus 4.8 are both Anthropic models, so the real question is not which lab to trust but which tier fits your workload and budget. Claude Opus 4.7 is the agentic-coding-focused Opus that traded some long-context recall for long-run reliability. Claude Opus 4.8 is the agentic-coding and judgment leader — highest SWE-Bench Pro score ever recorded at launch. Since both come from the same lab, the comparison below focuses on the tier-and-cost trade-offs that actually separate them.
Key differences
Context window: both advertise 1M (~1,500 pages). Tie on paper — test on your own long inputs, since usable recall varies by model.
Recency: Claude Opus 4.8 is the newer model by about 41 days (released May 28, 2026), usually meaning fresher training data and capabilities.
Specifications
Spec
Claude Opus 4.7
Claude Opus 4.8
Provider
Anthropic (US)
Anthropic (US)
Released
April 2026
May 28, 2026
Context window
1M (~1,500 pages)
1M (~1,500 pages)
Price (in/out)
$5/$25 per 1M tokens
$5/$25 per 1M tokens
Open weight?
No — API only
No — API only
Modalities
text, image, code
text, image, code
SWE-Bench Verified
Not published
88.6%
MRCR v2 @ 1M
32.2%
Not published
Who wins what
Long-running agentic coding workflows: Claude Opus 4.7 — A core design strength of Claude Opus 4.7.
Precise instruction following: Claude Opus 4.7 — A core design strength of Claude Opus 4.7.
Task budgets and effort tiers: Claude Opus 4.7 — A core design strength of Claude Opus 4.7.
Agentic coding and multi-file debugging: Claude Opus 4.8 — A core design strength of Claude Opus 4.8.
Long autonomous tasks: Claude Opus 4.8 — A core design strength of Claude Opus 4.8.
Honest uncertainty flagging: Claude Opus 4.8 — A core design strength of Claude Opus 4.8.
Which should you pick?
Anyone whose priority is long-running agentic coding workflows: Claude Opus 4.7 — It is specifically built for that.
Anyone whose priority is agentic coding and multi-file debugging: Claude Opus 4.8 — That is its strongest area.
Claude Opus 4.7: where it fits
The agentic-coding-focused Opus that traded some long-context recall for long-run reliability. Released April 2026 by Anthropic, it is built for long-running agentic coding workflows, precise instruction following, task budgets and effort tiers, and large-codebase operation.
Its trade-offs are real: long-context recall regressed vs 4.6, and superseded by Opus 4.8. At $5 in / $25 out per million tokens, it sits in the premium price band.
Claude Opus 4.8: where it fits
The agentic-coding and judgment leader — highest SWE-Bench Pro score ever recorded at launch. Released May 28, 2026 by Anthropic, it is built for agentic coding and multi-file debugging, long autonomous tasks, honest uncertainty flagging, and professional writing and reasoning.
Its trade-offs: highest per-token price of the frontier tier, and not the cheapest for high-volume work. At $5 in / $25 out per million tokens, it sits in the premium price band.
The bottom line for this matchup
Because Claude Opus 4.7 and Claude Opus 4.8 come from the same lab (Anthropic), they share the same training philosophy and ecosystem — the decision is purely tier vs. cost. Claude Opus 4.8 is the more capable, more recent option; the other earns its place only when its price or latency profile fits a specific job better. Most teams should default to Claude Opus 4.8 and drop down only with a concrete reason.
Frequently asked questions
Is Claude Opus 4.7 or Claude Opus 4.8 better for coding?
Public SWE-Bench figures are not available for Claude Opus 4.7, so the honest test is your own repository — run an identical real bug through both. By design, Claude Opus 4.7 leans toward long-running agentic coding workflows while Claude Opus 4.8 leans toward agentic coding and multi-file debugging, and that positioning usually predicts which feels better on your codebase.
Which is cheaper, Claude Opus 4.7 or Claude Opus 4.8?
They are priced almost identically, so cost will not decide between them.
Which has the bigger context window?
Both advertise 1M (~1,500 pages). Remember advertised ≠ usable: recall typically degrades before the ceiling.
Should I upgrade from Claude Opus 4.7 to Claude Opus 4.8?
Since both are Anthropic models, the newer one (Claude Opus 4.8) is usually the better default unless you need a specific cost or latency profile from the other.
Which is newer, Claude Opus 4.7 or Claude Opus 4.8?
Claude Opus 4.8 — released May 28, 2026, about 41 days after Claude Opus 4.7.
Claude Opus 4.7 vs Claude Opus 4.8
Anthropic · US | Anthropic · US · Updated June 2026
Quick verdict
Both are Anthropic models. Claude Opus 4.8 is the newer, generally stronger default; reach for Claude Opus 4.7 when its lower price or specific profile matters more than the latest capabilities.
Claude Opus 4.7 and Claude Opus 4.8 are both Anthropic models, so the real question is not which lab to trust but which tier fits your workload and budget. Claude Opus 4.7 is the agentic-coding-focused Opus that traded some long-context recall for long-run reliability. Claude Opus 4.8 is the agentic-coding and judgment leader — highest SWE-Bench Pro score ever recorded at launch. Since both come from the same lab, the comparison below focuses on the tier-and-cost trade-offs that actually separate them.
Key differences at a glance
▸Context window: both advertise 1M (~1,500 pages). Tie on paper — test on your own long inputs, since usable recall varies by model.
▸Recency: Claude Opus 4.8 is the newer model by about 41 days (released May 28, 2026), usually meaning fresher training data and capabilities.
Side-by-side specs
Spec
Claude Opus 4.7
Claude Opus 4.8
Provider
Anthropic (US)
Anthropic (US)
Released
April 2026
May 28, 2026
Context window
1M (~1,500 pages)
1M (~1,500 pages)
Price (in/out)
$5/$25 per 1M tokens
$5/$25 per 1M tokens
Open weight?
No — API only
No — API only
Modalities
text, image, code
text, image, code
SWE-Bench Verified
Not published
88.6%
MRCR v2 @ 1M
32.2%
Not published
Who wins what
Long-running agentic coding workflows
Claude Opus 4.7
A core design strength of Claude Opus 4.7.
Precise instruction following
Claude Opus 4.7
A core design strength of Claude Opus 4.7.
Task budgets and effort tiers
Claude Opus 4.7
A core design strength of Claude Opus 4.7.
Agentic coding and multi-file debugging
Claude Opus 4.8
A core design strength of Claude Opus 4.8.
Long autonomous tasks
Claude Opus 4.8
A core design strength of Claude Opus 4.8.
Honest uncertainty flagging
Claude Opus 4.8
A core design strength of Claude Opus 4.8.
Which should you pick?
Anyone whose priority is long-running agentic coding workflows
→ Claude Opus 4.7
It is specifically built for that.
Anyone whose priority is agentic coding and multi-file debugging
→ Claude Opus 4.8
That is its strongest area.
Claude Opus 4.7: where it fits
The agentic-coding-focused Opus that traded some long-context recall for long-run reliability. Released April 2026 by Anthropic, it is built for long-running agentic coding workflows, precise instruction following, task budgets and effort tiers, and large-codebase operation.
Its trade-offs are real: long-context recall regressed vs 4.6, and superseded by Opus 4.8. At $5 in / $25 out per million tokens, it sits in the premium price band.
Claude Opus 4.8: where it fits
The agentic-coding and judgment leader — highest SWE-Bench Pro score ever recorded at launch. Released May 28, 2026 by Anthropic, it is built for agentic coding and multi-file debugging, long autonomous tasks, honest uncertainty flagging, and professional writing and reasoning.
Its trade-offs: highest per-token price of the frontier tier, and not the cheapest for high-volume work. At $5 in / $25 out per million tokens, it sits in the premium price band.
The bottom line for this matchup
Because Claude Opus 4.7 and Claude Opus 4.8 come from the same lab (Anthropic), they share the same training philosophy and ecosystem — the decision is purely tier vs. cost. Claude Opus 4.8 is the more capable, more recent option; the other earns its place only when its price or latency profile fits a specific job better. Most teams should default to Claude Opus 4.8 and drop down only with a concrete reason.
Want both Claude Opus 4.7 and Claude Opus 4.8 without two subscriptions? LumiChats gives you these plus 40+ models under one ₹69/day pass (about $1/day) — draft with one, cross-check with the other.
Is Claude Opus 4.7 or Claude Opus 4.8 better for coding?
Public SWE-Bench figures are not available for Claude Opus 4.7, so the honest test is your own repository — run an identical real bug through both. By design, Claude Opus 4.7 leans toward long-running agentic coding workflows while Claude Opus 4.8 leans toward agentic coding and multi-file debugging, and that positioning usually predicts which feels better on your codebase.
Which is cheaper, Claude Opus 4.7 or Claude Opus 4.8?
They are priced almost identically, so cost will not decide between them.
Which has the bigger context window?
Both advertise 1M (~1,500 pages). Remember advertised ≠ usable: recall typically degrades before the ceiling.
Should I upgrade from Claude Opus 4.7 to Claude Opus 4.8?
Since both are Anthropic models, the newer one (Claude Opus 4.8) is usually the better default unless you need a specific cost or latency profile from the other.
Which is newer, Claude Opus 4.7 or Claude Opus 4.8?
Claude Opus 4.8 — released May 28, 2026, about 41 days after Claude Opus 4.7.
Specifications and benchmarks reflect publicly reported figures as of June 2026 and may change as providers release updates. Always verify on your own workload.